It worked fine for me. Firefox 3.6.3 to Adobe Reader 9.3.2 plug-in and as a download to the computer then opened with Adobe Reader 9.3.2.
Were you able to download it?
You may want to clear cookies and temporary files on you device and then try it then.
Please let us know if this worked for you.
Thank you for asking.
Yes, I downloaded a newer version of Acrobat reader and then the manual.