As you may have noticed, the free app version has functionality limits. If you need more than 1 data source with more than 500 rows per table, please select one of our paid plans. You can switch between plans anytime and manage your subscription directly from the application.
Please, follow the steps below.
Go to the Apps tab in your Shopify store menu on the left and select Power BI Connector.
Click Subscription tab.
You will be redirected to the plans page. Just select the proper paid plan that fits your business needs and press Subscribe.