If you are selling products that require you to change the artwork before fulfilling the order, we recommend that you use the manual approval workflow. You can read more in our article What is the manual order approval workflow?

If you are a Gelato+ customer, you can allow your customer to personalize their products themselves after the purchase by configuring your products with the Product Personalization Tool! You can read more about this tool in our article Personalization of Products for non-Shopify Platforms.