Hi Bikash,
you can download universe for audit BO: http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/40711187-04e8-2d10-d190-851e20c7665a
open universe in IDT and create a connection over it, then publish to the server, use shortcut connection(.cns). change downloaded connection to your connection.
change dbowner of every object one by one with your MSSQL audit database.
now you can create webi report over it.
Thanks
Imran
Message was edited by: David Metser