I have been using WPBakery Page Builder for several months now and have not experienced any issues. I recently added the WooCommerce plug-in, and did not experience any issues (that I was aware of).

Yesterday I purchased WooCommerce Page Builder because I was having issues with customizing the single product page. Now when I tested my site, whenever a product is added to the cart and then a coupon code is added or an item is deleted (or any change is made) the whole cart duplicates. This is especially bad on the mobile end and it can duplicate multiple times. I have had this bug every time I have tested it since yesterday.