If you are looking for more information on how to setup Buyer Accounts, please refer to our Knowledge Articles located under the Help Show Room & eCommerce Stores.
Buyer Accounts - Sign Up, Apply & Approve - Buyer experience for Sign Up, Apply and Approve
Buyer Accounts - Profiles - Buyers can manage their profiles (name, passwords, etc)
Buyer Accounts - Login & Invite Acceptance - Login experience for your Buyers (Invite Codes & Passwords)
Buyer Account - Contacts & Addresses - Buyer Sets Up Contacts, Addresses and delegated roles