Hello,
Description – is the main description on the product page. If you clean the product description it would be cleaned.
Reviews are disabled in the Woocommerce > Settings > Product. Please disable
Additional tab (with the attributes) enter each attribute in the product page and disable showing on the product page to show this tab or enable to hide.
Additional tab (Shipping information) You can disable it in the Theme Settings > Product page > Tabs: https://xtemos.com/docs/woodmart/html-blocks-2/#shipment_delivery Clean all the fields.
Best Regards.