Understand what a PDF accessibility certificate can prove, what it cannot prove, and how buyers should use it in remediation workflows.
For buyers who need evidence, not just a vendor claim.
A certificate should make the remediation outcome easier to verify.
It is evidence of checks performed, not a substitute for all legal judgment.
The best certificate is tied to a document, date, score and verification code.
Why certificates matter
PDF remediation often happens behind the scenes. A certificate turns that hidden work into an auditable record: what document was processed, which standards were checked, and what result was recorded.
For procurement teams, this helps separate a vague claim from evidence that can be shared with compliance, legal, accessibility and records teams.
What a certificate can prove
A useful certificate can show the document passed defined checks at a point in time. It can also identify whether key structures were present: tags, headings, table headers, image descriptions, metadata and reading order checks.
The file was processed by the remediation system.
A defined set of checks was run.
The result was recorded with a date and verification code.
The certificate can be independently checked later.
What a certificate cannot prove on its own
A certificate is not a blanket legal guarantee. It does not replace a full accessibility policy, procurement review or user testing for high-risk content. It should be part of the evidence trail.
What to look for in certificate evidence
Unique verification code.
Document name or identifier.
Issue date.
Standards checked.
Visible pass/fail or score result.
Clear explanation of any limitations.
Frequently asked questions
Is a PDF/UA certificate the same as legal compliance?
No. It is evidence that defined technical checks passed. Legal compliance depends on broader obligations, context and implementation.
Why is public verification useful?
A public verification code lets auditors, clients or internal teams confirm that the certificate was issued and has not simply been copied into a document package.