Hi,
SEE Manager do not enter any license information on the SEE database, while installing SEE Manager or while creating client packages. SEE has paper licenses which are not based on seats.
Currently Symantec Endpoint Encryption Manager do not provide licensing information or reports.
This applies to Symantec Endpoint Encryption Server (All Versions)
Refer this guide: http://www.symantec.com/docs/TECH217588