If you don’t want the product’s SKU to be visible to the user you can toggle it’s visibility by navigating to Appearance > Customize > WooCommerce > Product and disabling the SKU setting under the Meta Data section.
If you don’t want the product’s SKU to be visible to the user you can toggle it’s visibility by navigating to Appearance > Customize > WooCommerce > Product and disabling the SKU setting under the Meta Data section.