Workflow - Security Role Maintenance for Workflow
Security Role Maintenance > Assign Programs
To give users access to Workflow programs, navigate to the Security Role Maintenance menu item under Enterprise Content Management on the Treeview, find the user to apply security roles to and select "Assign Programs" under the Assign drop-down menu. Check the 'Granted' box next to the associated Program Name in the list of programs, then click on the [Update] button to save the changes.