How do you support these roles specifically in workflows?

The Out of the Box BI Applications reports that are included on the dashboards are role based.
How do you support these roles specifically in workflows?

A.
Roles can be supported in workflows by using session variables as filter in permission settings
such as enabling access permissions for user groups and data security, defining workflows by
guided navigation and column behavior, dashboard links and conditional guided navigation on
dashboard sections.

B.
Roles can be supported in workflows only by enabling session variables in connection pools.

C.
Roles can be supported in workflows entirely by defining dimensional hierarchies and using the
default drill functionality.

D.
Roles can be supported in workflows only by conditional formatting and using the STYLE
session variable.

E.
Roles can be supported in workflows by user groups, data security, and conditional formatting.