NOTE: You will need to have Administrator access to change this setting
Reports are classified in terms of their increasing business sensitivity with Level 1 being the least sensitive and Level 3 being the most. Access to reports varies from None (no access) to Level 3 (access to all reports). There is the ability to further restrict or allow access to reports - regardless of an individual's level - from within the Access section of the Reports area by specifying specific users who can access specific reports
Go to System>Users
Choose the user whose report access level you wish to change
Choose the appropriate level from the Reports level drop down menu and which office(s) it refers to in the Access Control drop down menu
Save the record