This article explains how to define who can buy your products in your online store.

• From the admin panel, navigate to [any Joobi eCommerce] >> Catalog >> Preferences
• From the preferences page, go to Item Tab
• Under Miscellaneous section, assign a role to Default Who Can Buy
• Click save once you are done

If you want to assign specific role for buyers of your products, please refer to article "Shopper's Group". For specific product options, please edit the product you want and set the role in the layout tab (you will find the same option "Default who can buy).