Sorry to say but as you know the default layout of the Single Product page comes from WooCommerce by default which isn’t editable with the page builder plugins like Elementor or WPBakery.
But if you want, you can create a Custom Single Product layout using the Theme’s Layout Builder and in that you can add multiple items of your choice. Here is the guide to that: https://xtemos.com/docs-topic/single-product-page-builder/