Categories were imported but not products

Excited to use this plugin! I created the app in square and then used the import woo to square function.

The products came into square under categories but not with any product information. I now have a selection of categories under items/categories in Square dashboard but nothing is listed in Item Library.

Thanks

https://www.ads-software.com/plugins/square-up-to-woocommerce-inventory-import-ninjas/