As a global setting, check the box to restrict users from viewing and indexing documents printed by other users. If this box is unchecked, all users using the same shared Print to doc-link printer will be able to view documents that were printed to it.
If each DocLink Smart Client user has their own locally-configured Print to DocLink printer set up, this setting does not apply.
Configure DocLink System Settings
Change the Document Store from DocLink Database to File System