Document accessibility guides

What Section 508, WCAG and PDF/UA ask of a PDF or Word document, and how to get a file there — written for the people who actually have to publish them.

What Section 508 requires of PDFs and Word documents

Who Section 508 applies to, which documents it covers, and the WCAG 2.0 AA rules a PDF or Word file has to meet — in plain language.
How to make a PDF accessible: a practical checklist

Tags, title, language, reading order, alt text, tables, lists, links, contrast and testing — the full checklist for an accessible PDF.
PDF/UA explained: what ISO 14289 means for your documents

What PDF/UA-1 (ISO 14289-1) requires, how it differs from WCAG and Section 508, and how to check a PDF against it.
Making Word documents accessible before you export to PDF

Headings, alt text, tables, lists and the export settings that decide whether your Word document becomes an accessible PDF.
Writing alt text for images in documents

How to write useful alt text for photos, charts, logos and diagrams in reports and PDFs — and when an image should have none.