You can limit the Access of customers at certain outlets. if you want to make one of your customers only accessible at certain outlets using the Exclusive Outlet Feature.
Step 1. Select customer that you want to give outlet restriction
Step 2. Edit customer data that you want to set restriction
Step 3. Choose exclusive outlet on membership sub-menu to assign the outlet, then save
Whenever you selling at other outlets the customer that you have to assign an exclusive outlet shouldn't appear.