You can sync the products manually and from this article, you will get to know the way to do it. To sync products follow the below steps.
Login to WooCommerce Backend
To Sync a new product, go to Products ▶ All Products. You will be redirected to the ‘Add New Product’ page.
Here on the product page, either you can sync each product by clicking on the Sync button in the Action column. By clicking on it, immediately respective product will be synced in the designer tool.
In order to sync bulk products, you have to first select the products by clicking on the respective checkboxes, also you can select all the products at once by clicking on the Select All button.
After syncing the products successfully you will view the sync status will be changed as “synced”.