CASB Audit features in-depth research on cloud applications such as SaaS, PaaS and IaaS from within your network. CASB is not designed to give detail on individual websites that users are accessing.
Please see the TechDoc Using Audit
CASB Audit gives you the ability to answer the follow key questions:
The Find and Compare feature searches for applications researched by CASB.
If there are services you wish for Symantec to research there is a recommend feature to notify Symantec of your request.