In Purchase Plus,the Buy List default setting is that everyone in your organization and view and edit all Buy Lists. However, it is possible to block access to your Buy Lists for individual departments.
Step 1. In the Buy List window, select the [View] icon for the Buy List you want to edit.
Step 2. Select the [Black Catalogues] tab and then select the green [+] icon
Step 3. You can now select the Department you want to block from viewing your Buy List from the [Organisation Unit] drop down list.
Step 4.Repeat step 3 for all Departments you wish to block.