The Shop Customizer provides an option to customize the product archive pages. The product archive page is a shop page where the products are shown.
Note: You can check out the demo of a product archive page here.
All of the settings below can be found in WordPress left menu, Appearance > Customize.
To customize the product archive page:
1. From the Customizer left dashboard, click on Shop > Product Archive.
2. A new window will open with all the available options to customize and style the product page. Now you can change margin/padding values on the page.
3. After you’ve configured the settings, click on the Close button.
4. Click on the Publish button. The changes you have made will be applied to the front-end of your website.
If you want to style the product archive page, please refer to this article.