...
The License Servers grid gives you information about each server, including the vendor being monitored, the type of license manager being used for the monitored software, and whether the license usage information is being gathered as realtime or imported statistics. Note that if you filter the grid data using the grid columns, those filters will also be used in the graph and when downloading the data to a file. For more information, see Introduction to using License Statistics pages and User preferences.
Imported statistics may include denied user reports, pay-per-use logs, and other imported data from a variety of license managers. Imported license server data you can view in License Statistics is limited based on the data in the imported log; therefore, some pages may be unavailable when viewing statistics for an imported license server. If a page is unavailable, the tab title is crossed out and the tab is not selectable.
...