What is the difference between the TBSM_Executives and TBSM_Executives_IT roles?

A.
TBSM_Executives users can view problem statements; TBSM_Executive_IT users cannot.
B.
TBSM_Executive_IT users can add services they administer to user they administer; TBSM_Executive_IT
users cannot.
C.
TBSM_Executives users can switch to view another Dashboard user’s view; TBSM_Executive_IT users
cannot.
D.
TBSM_Executives_IT users can view problem statements; TBSM_Executive users cannot.