PDF documents prompting "Checkout & Open", "Open", or "Cancel" even when user has only "View Only" rights

PDF documents prompting "Checkout & Open", "Open", or "Cancel" even when user has only "View Only" rights

 

 

 

Please refer to the following thread.

 

http://social.technet.microsoft.com/Forums/en-US/sharepoint2010setup/thread/00680e50-de5e-4d8c-b348-4ae9cecc3bad