The Course Reserves tool is accessible to any Instructor, Co-Instructor or Teaching Assistant (TA) enrolled in the CMS course site.
All Instructors, Co-Instructors and TA's enrolled in a CMS course site will be able to:
To grant others permission to administer the Course Reserves tool, they must first be enrolled in your CMS course site, and assigned the proper role (for example, TA).
Links:
[1] http://www.it.northwestern.edu/education/course-management/support/manage-course/enroll-users.html