What is the difference between a shared and non-shared policy?

Shared policies can be edited and replaced for all groups and locations that use it. A non-shared policy is unique to a specific group or location.

Shared policies are replicated to a Replication Partner. A non-shared policy is specific to a local SEPM site.

Shared policies are used in Production. A non-shared policy is used in test and only work in Log Only mode.

Shared policies are unique for a specific group and location. A nonshared policy can be edited and replaced for all groups and locations that use it.