Adobe Acrobat and accessibility:

This site uses Adobe Acrobat to display PDF documents. If you have trouble using the free Adobe Acrobat Reader, Adobe provide a free online tool which converts the content of PDF files to either HTML or ASCII text. Adobe also provides advise on how to configure your Reader, and a free download of the Accessible Adobe Reader.

For more information visit the Adobe accessibility website:
http://www.adobe.com/enterprise/accessibility/main.html