The product Grid/Carousel element is a flexible tool to present WooCommerce products. Product Grid/Carousel allows configuring a grid with 1-6 items in a row and showing the products by category, tag or ID. while using Ajax
Where do you want to add the button? Can you please share the screenshot and the page URL in the private content. So I will check the possibility to add the new button next to the Product title but at least tell me where do you want to add the button?