Where does one being to learn how to manage software licenses in AMS?
A great resource is this new Software Management Group on Connect:
I recommend joining the Group and posting your question there.
Also, here's a video on License Management that might be useful
Chapter 10 of the Asset Management Suite User Guide
Authorised Symantec Consultant (ASC) with Endpoint Management Limited, an Authorised Symantec Delivery Provider based in the UK.
Connect Etiquette: Please "Mark as Solution" posts that fix your problem.
I hope that (https://www-secure.symantec.com/connect/videos/managing-software-licenses-video)video will help you in understanding how to manage software license.