All Auto Pilot Full Log files have an .ful extension. The file name is the set name.
When you go to view this log you will be asked to select which Auto Pilot set's Full Log you would like to see.
Unless you are the root user, when you view this log you will only see information about the Auto Pilot jobs you submitted. The root user will see information about all of the Auto Pilot jobs, regardless of who submitted them.
You can view this log to get a get a general idea of what has been backed up. You may need to do this if you need to restore files from an Auto Pilot backup.