The approval process is based on User Type/Level. Only District Administrators and School Administrators have permission to approve Fees. School Administrators can approve any Fees posted by employees of their school, for their school. School Administrators can even approve Fees they post themselves. District Administrators can approve any and all Fees posted by all user types in their District.
For more information on what actions these users have access to, please reference this Knowledge Based Article: https://help.leanstreamrp.com/knowledge/what-are-the-user-types