# Authorization

- [Identity and Access Management (IAM)](/ce/system-management/authentication-and-authorization/authorization/iam.md): IAM Service provides out-of-the-box identity and access management.
- [Site Permissions](/ce/system-management/authentication-and-authorization/authorization/site-permissions.md): Site permissions provide granular access control over commerce data, such as companies (legal entities), customers, carts, orders, and quotes, across various brands, regions, or markets for employees.