The WooCommerce Add to Cart plugin comes with 2 widgets that allow you to add a purchase button for a specific product anywhere on the site and on the other hand, add the button directly to simple and variable product pages. This makes it possible to manage the displayed elements and styles to have an attractive result and interest to the visitor.
For further work, you need the Elementor to be installed on your site. You can download it from wordpress.org
Open or create a page using Elementor to start using the WooCommerce Add to Cart widgets. You will find them at the end of the general section.

Drag the required widget into the editor to start customizing. In the left pane of the editors, you can customize the dragged widget to suit your needs.
The Ader plugin currently supports 2 widget types: