Recap: Adobe PDF versus HTML Accessibility Features

Adobe PDF versus HTML Accessibility Features
Accessibility Feature Adobe PDF HTML
Font Family no Yes
Font Size Yes Yes
Colors Yes Yes
Text Descriptions Partial Yes
Headings Yes Yes
Tables Simple Complex
Form Labels Yes Yes
Web browsing Takes user out of web browser, file susually large Users stays in web browser, files usually small
Printing Very Consistent Inconsistent
Authoring Difficult Easy

Recommendations is to provide both PDF and HTML versions if possible and let user choose what makes sense for them.