To add the section in your store, you have to follow these steps 



1. From your desk, go to the Sections.


2. Now select the category that you want to add to your store,


3. Now click on "Install Section in theme" to add the section.


4. After that, go to the customizer and add the section to the store page.



Note:- Please make sure that the app embed is enabled from the customizer, otherwise it will not work. Learn more...