If your store has products that are not available to all customers, you can restrict them to selected customers by configuring your online store's versions and product categories in the way described in this article.
If your store's product catalog is partially the same for both consumers and resellers, you can hide the products that are intended only for resellers from consumers.
Restricting a product category to a selected customer group
Now the product category can be viewed only by customers who are logged in and belong to the selected customer group.