Hello,
Check K S sharma comments in below threads.
https://www-secure.symantec.com/connect/forums/dlp-role-creation
go to tab System ->Role and click to create new Role and named as System Administrator.Under this Role defined all views and marked them except uncheck/unmarked Incident View , After this You can create multiple users and assign them under System administrator Role. These user can only see system view (Agents,servers,policies etc. ) & incident ID but not contents,mails of those DLP incidents.