To sync your products from Zetpy to WooCommerce, you need to create Product Categories in your WooCommerce store. Only then you can add product in WooCommerce plug-in.
Ensure your order status is up-to-date in Zetpy when sync from WooCommerce website.
How user can add/remove Variation SKU in WooCommerce Online Store. After that, find the item ID and share us for re-importation.