Hi,
As of now, your authorizations still in 3.x. so please check the below tables.
RSSBAUTHGEN - it holds info provider and authorization object
RSSBAUTHGENERATD - it have user name and info provider
RSSBAUTHTRACE
RSSBAUTHTRUSER
RSSBAUTVAL
RSSAUTHHIER
RSSAUTHHIERNODE
Coming to 7.x , Above mentioned T code kumar is enough to handle authorization concepts.
There is best document about 3.x and 7.x comparison on Google.
please search for it by using search term "An Expert Guide to new SAP BW Security Features"
Written by Marc Bernard
Thanks