I assume that you have reviewed these documents on the community?
LANDesk Basics 9.0 - Understanding the New Role Based Administration
Getting started with LDMS 9.0 RBA
I will look at this some more - see if I can find you a more direct answer, or one of my colleagues may do so.
Role Base Administration is subject of change in SP2 of LDMS 9... (and also the reporting module...)
(Read Section: Service Pack 2 (SP2) for LDMS/LDSS 9.0)