An organization is using SharePoint for team collaboration. Each department in the organization has a team site and a site owner who is responsible for site management. Site owners do not have adminis

Sandbox solutions are a deployment model for custom code, not a mechanism for enabling site owners to install apps from a trusted source.

Granting Full Control at the web application level gives site owners elevated permissions over the web application itself, not the ability to install apps, and violates least-privilege principles.

Solution blocking settings control which types of sandboxed solutions can run, not whether site owners can install apps.

Content deployment settings manage the replication of content between SharePoint environments and have no bearing on app installation permissions.

An App Catalog site is a special SharePoint site collection that acts as a trusted repository for apps approved by administrators. Once an App Catalog is created and apps are uploaded to it, site owners can install those trusted apps to their own sites without requiring web server or farm administrator privileges.