I think it would be a nice feature if you could have the Serial #s in the "Recovered license keys" MASKED to not show the whole key by default, perhaps just the last few digits. Then If a SHOW button was pressed it would be visible but only after logging the access into some database.
Serial#s can be sensitive information and Logging the access to that feature would make sense.
I don't know if lansweeper has any general user log auditing for any special features but that may be nice also.