Can I Edit a Customer's Store Credit Balance
Not at the moment. The current version of Referi doesn't support editing an individual customer's store credit balance.
How Customers Use Rewards as Store Credit at Checkout
Customers can redeem their Referi rewards as store credit toward any purchase, but they need to apply it themselves at checkout.
How to Grant Collaborator Access to Referi Support
In some cases, our support team may need temporary access to your Shopify store to investigate an issue or help you configure Referi.