There are two ways for the seller to check the buyer's purchase history from your store.
1. Search for the buyer's username on the "My Sales Orders" page.
2. View the buyer's purchase history under the "Transaction" tab in Kchat.
Step 1: Click on the bottom right chat bubble and enlarge the Kchat to a new tab.
Step 2: Select the buyer of your choice and click on the "Transaction" tab.
Step 3: You may now view the buyer's purchase history here.