Currently, detailed reports do not keep track of changes to the reviews themselves. After you create (begin) a review, changes such as adding or removing attendees, changing review title/descr...
DWalsh
Staff
StaffHi
In Reports >Detailed Report you will see most of the information such as the comments, values for those custom fields.
Please have a look and see if the information in the "Detailed Report" is sufficient
Regards
Damien
Technical Sales Engineer