Oracle R12 – How to know Report available in which responsibilities and What reports are in a responsibility

It is very common to search for a report and not finding in expected responsibility. How to know where it is ?

Through System Administrator : Run this report

— Report Group Responsibilities Report  : This report lists those responsibilities which have access to a report or a request set.

As Vice Versa : some time we like to know what are all reports available in a given responsibility , how to ?

Through System Administrator : Run this report

— Reports and Sets by Responsibility :  This report identifies which reports (and other concurrent programs) and report sets are available to any given responsibility.

Thanks – Shiv