You can learn from this article where the files are saved or exported dueing a session started on Technician Console for Mac.

Technicians using the LogMeIn Rescue Technician Console for Mac can find their files saved/exported during a support session at: Users/[username]/Library/Application Support/GoTo-LogMeIn Rescue/Bottles/GoToLogMeIn Rescue/drive_c/users/crossover/My Documents.