This verifies that your Shopify account is connected to the Aravenda software which is needed for both systems to talk to each other when a sale happens or when you create an item.
The Upload Images Manually to Shopify button is when you would rather enter your items directly into Shopify instead of through Aravenda. This is for store owners who prefer to enter photos directly into Shopify.
A. When this box is checked off, the Upload Images section on Aravenda will not be displayed and you’ll need to find the item on Shopify to enter the photos to that listing.