A PDF is where most 508 and ADA programmes quietly fail, because the website gets fixed and the two hundred documents hanging off it do not. A scanned brochure is an image as far as a screen reader is concerned; an exported slide deck usually has no reading order, no tags and no alt text. This page is what a 508 compliant PDF actually needs, what remediating one costs against remaking it, and the case for publishing the content as a web page instead. On the worked example twenty-five PDFs are 75 of the 401 issues and $2,968 of the fix, which is nineteen per cent of the bill for documents most visitors never open.
What a 508 compliance pdf has to carry
Real text rather than a scan, a tag tree that gives the document a reading order, headings marked as headings, alt text on images that carry meaning, tables with header cells identified, a document title and language, and bookmarks on anything long. Miss the tag tree and none of the rest is reachable, which is why an untagged file is not a nearly-compliant file: it is an image with a page count.
What 508 remediation costs per document
Budget three issues per PDF as a starting point, which on the worked example is 75 issues at 25 minutes each: 31 hours and $2,968 across twenty-five documents, or about $119 a document. A scanned document costs more because it has to be recognised first, and a complex table costs more again. Run your own count before agreeing a per-document price with a vendor.
When to publish a web page instead
If the document exists to be read rather than printed or signed, the accessible version is a web page. It costs less to make right, it stays right when the content changes, and it is the version a screen reader user, a phone and a search engine all handle better. Keep the PDF for the things that genuinely need to be a file.
Questions people ask about 508 compliance pdf
What is 508 remediation?
Making an existing document meet the standard: adding the tag tree, the reading order, the alt text and the table headers, rather than rewriting the content.
Can a PDF pass automatically?
A checker confirms the tags exist. Whether the reading order makes sense, and whether the alt text says anything useful, is a human judgement every time.
Do old PDFs have to be fixed?
Under 508, archived material has narrower duties than current material. The practical rule is to fix what is linked from a live page and to unpublish the rest.