usage authorization; access rights
Computing term for the permission or authority to use a system, application, or resource.
You need usage authorization to open this file.
The administrator granted the user access rights.
アクセス権 is a more common and general term for access rights, while 使用権限 is more formal and often used in system administration or legal contexts.
Compound of 使用 (use) and 権限 (authority, jurisdiction).