A scanned image sitting inside a PDF is not the same thing as an accessible document. Without a text layer, that file is invisible to screen readers. For organizations serving the public or publishing documents online, this creates a barrier that matters.
Image-Only PDFs vs. Searchable, Accessible Text
When a document is scanned, the default output is often an image-based PDF. It looks fine on screen. You can see the text, but technically, the computer can’t read it. The file contains a picture of words, not actual text.
Screen readers, which assist people with visual impairments, rely on text that can be parsed and spoken aloud. When they encounter an image-only PDF, they find nothing to read. The same limitation affects search functions. You can’t search a document that has no searchable text.
Creating a searchable PDF requires optical character recognition, commonly called OCR. This technology analyzes the scanned image and converts visual representations of letters into machine-readable text. But even with OCR applied, accessibility isn’t guaranteed.
OCR Accuracy and Why It Isn’t Automatic Compliance
OCR is powerful, but it’s not perfect. Accuracy depends on image quality, font legibility, and the condition of the original document. Handwritten notes, faded ink, or complex layouts can lead to errors.
Even when OCR runs cleanly, the resulting text layer doesn’t automatically meet accessibility standards. A searchable PDF is better than an image-only one, but it’s still a long way from compliance.
True accessibility requires structure. Documents need to be tagged so that screen readers can interpret headings, lists, tables, and navigation elements in the correct order. Without this structure, assistive technology may read content in a confusing or illogical sequence.
For organizations in Thomasville, GA, Tallahassee, FL, or Augusta, GA, this becomes especially relevant when records are shared with the public or used in legal, educational, or government contexts.
Tagging, Reading Order, and Alt Text
Tagging a PDF involves embedding metadata that describes the role of each element. Headings are marked as headings. Paragraphs are marked as paragraphs. Tables and lists get their own tags. This allows screen readers to navigate the document logically.
Reading order is equally important. Just because text appears in a certain sequence visually doesn’t mean it’s coded that way in the file. A two-column layout, for example, might be read across both columns instead of down each one. Proper tagging ensures the intended flow is preserved.
Forms and diagrams present additional challenges. Images need alternative text descriptions so that users relying on assistive technology understand what they’re looking at. A flowchart or organizational chart that lacks alt text is essentially useless to someone using a screen reader.
At Secure Records Solutions, we recognize that document scanning is only the first step. Accessibility requires intentional effort beyond the initial capture.
Who This Applies To and When
Accessibility standards don’t apply universally to every private document or internal memo. But there are clear situations where compliance is critical.
Government agencies are typically bound by Section 508, which requires electronic information to be accessible to people with disabilities. Educational institutions receiving federal funding must comply with similar regulations. Healthcare providers and financial institutions often face overlapping requirements under various laws.
Even private organizations may be impacted if they publish content online, provide services to the public, or operate in states with strong accessibility laws. Court filings, public records requests, client-facing forms, and employee handbooks are all examples of documents that may need to meet accessibility standards.
The Web Content Accessibility Guidelines, known as WCAG, provide a widely accepted framework. PDF/UA, or PDF Universal Accessibility, is the ISO standard specific to PDF documents. Both offer technical benchmarks, but neither replaces legal counsel when determining what applies to your organization.
We always recommend consulting with your legal team to understand your obligations. What we can do is ensure that your scanning services align with the technical requirements once those obligations are clear.
What to Specify in a Scanning Scope of Work
If accessibility is a priority, it needs to be part of the conversation before scanning begins. Not all scanning solutions are built the same way, and assumptions can lead to costly rework.
Start by confirming that OCR will be applied during the scanning process. Ask about accuracy rates and whether quality control steps are included. Clarify whether the output will include tagged PDFs or just searchable text layers.
If your documents include forms, charts, or images, discuss how alt text and structural tags will be handled. Some projects require manual review and remediation after scanning. Others may need specialized software or workflows.
Understanding file formats is also helpful. While PDFs are common, some systems may benefit from other formats that support accessibility more natively. Your document management system may have preferences worth discussing upfront.
Transparency about timelines and costs is essential. Accessible scanning takes more time than basic image capture. If compliance is non-negotiable, build that into your project plan from the beginning.
Moving Beyond the Scan
Digitization solves many problems. It reduces physical storage needs, improves retrieval speed, and protects against loss or damage. But it doesn’t automatically make information accessible to everyone.
Creating truly accessible digital records requires attention to detail, the right technology, and a clear understanding of what compliance means in your context. Whether you’re managing records storage or preparing files for public release, accessibility should be part of the plan.
We’ve spent over 20 years helping organizations across Thomasville, Tallahassee, and Augusta navigate the complexities of information management. Accessibility is one more layer in that process, and it’s one we take seriously.
If you’re unsure whether your scanned documents meet accessibility standards, or if you’re planning a project where compliance will matter, let’s talk through the details. Our team can help you understand what’s possible and what’s required.
Call us at (800) 614-0856 today!
Frequently Asked Questions
What makes a PDF accessible to screen readers?
An accessible PDF must contain a text layer generated through OCR, proper tagging that defines document structure, logical reading order, and alternative text for images. Simply scanning a document into PDF format without these elements creates an image file that screen readers cannot interpret or navigate effectively.
Does OCR automatically make scanned documents ADA compliant?
No, OCR is only the first step. While it converts images of text into searchable text, it doesn’t add the structural tags, reading order, or alt text required for full accessibility. Compliance with standards like WCAG or PDF/UA typically requires additional remediation after the initial scan.
Who needs to worry about accessible PDF records?
Government agencies, educational institutions, healthcare providers, and any organization publishing documents online or serving the public should prioritize accessibility. Requirements vary by sector and jurisdiction, so consulting legal counsel about your specific obligations is essential before starting a scanning project.
Can existing scanned PDFs be made accessible after the fact?
Yes, but it requires remediation work. The PDF must be analyzed, tagged properly, and checked for reading order and alt text. This process can be time-consuming and expensive depending on document complexity, which is why it’s more efficient to build accessibility into the scanning workflow from the start.
What should I ask my scanning vendor about accessibility?
Confirm whether OCR is included, ask about tagging and PDF/UA compliance, discuss how forms and images will be handled, and clarify whether manual review is part of the process. Make sure accessibility requirements are documented in your scope of work before the project begins.
Are there alternatives to PDF for accessible digital records?
HTML and certain formats used in content management systems can be more natively accessible than PDFs. Your document management system may support formats that integrate better with assistive technology. Discuss options with your vendor based on how the records will be accessed and used.
