The Storefront has a built in ‘My Account’ customer portal.
The Customer portal is where the customer can:
Profile - Review and modify their stored billing and shipping addresses, and stored credit card information.
Orders - Review previous orders
Subscription - Review their recurring orders.
Reviews - Post their product reviews
Rewards - View their Loyalty Points / Cashback, if enabled.
Wishlist - View and manage items they have added to their wish list.
Customer Feedback - Allows the customer to send you a message, which appears as a new section in the ‘Order Management’ page, if enabled.
Please note that some of these options require you enabling in order for them to appear int he portal:
Decide whether to use Case Management (Customer Feedback)
Configure Product Reviews (if you haven't already)