WooCommerce products by default show  ‘description‘ and ‘reviews‘ tabs below the product on a WordPress product page, you can hide these tabs from view as well as a third tab ‘additional information‘ with a snippet of code that goes in your themes functions.php file

woo-description-tab-review

 

As well as remove the tabs you can rename the heading in the tabs with this snippet

You can also re-order the tabs with this snippet

If the tabs are not used on some products you may get a PHP error about undefined index on title or call back, in this case it is best to wrap the tabs in an isset function to check they are being used.

Here is a guide on adding extra tabs.

Ref