What Adobe Reader version is recommended on Opera and How should the configurations be?

Adobe X version is recommended and for the reports not to have any viewing or printing issues, the configurations below must be done. 

To do Adobe configurations, open any PDF and from the Edit => Preferences get to the options below.

1-UPDATER: Do not download or install updates automatically must be marked.

2- SECURITY (ENHANCED); Enable Enhanced Security must be unmarked. 

3- INTERNET; Display in read Mode by Default should be unmarked. 

4- GENERAL; Enable Protected Mode at startup should be unmarked.