Authorizing or Banning products
You have the possibility to block certain products to specific Customer Categories or Customers.
Those are the steps to follow:
Go to the Sell tab
Go to the Customers catalog
Choose either Customer Category or Customer
Select the name in Customer Category or Customer
There is a search bar to search for a specific product
The filters allow you to sort the products you want to see
Once the product is found, click on the edit emoticon next to the mention "Authorised"
Click on Force Interdiction if you want to block it