The Report log file is a text files with statistical data about the licenses available on the server. It contains historic information such as usage status for each module in finer detail than in the Debug log. It is helpful for calculating usage statistics.
The Debug log writes all data from server commands into a file. The Debug log contains the RLM server log (system-related log data) and the ISV server log (license-related log data). It also includes information related to any server malfunctions.
In the Debug log, OUT indicates that a client is using a license, while IN indicates that the client software has shut down and the license was returned to the server.