First, make sure your Product Restriction is set to Show Products To. If not, the below article can help you change the setting.
To show a product to specific customer groups:
- Go to the product you want to show. and click the dropdown under Show Product To.
- Select a customer group from the drawer to show product to,
All Customers— Everyone will see the product on the order form
No Customers— No one will see the product on the order form
Logged In Users— Only users who are logged in will see the product
Customer Tags— Select a list of customer tags who will see the product. Here's Shopify's guide on tagging customers.
- Click Done.
- Hit Save after you've made all your changes on the different products.