Hi mate,

if you mean shop page, you can add any elements top and bottom of shop page please check the following feature and article :

https://kitestudio.help/knowledge-base/shop-extra-templates/

You can also add Video in product detail that show button on the product gallery :

http://kitestudio.co/pinkmart-presentation/product/leather-belt/

https://imgur.com/xB1nAQN

For more help please contact us via help.kitestudio@gmail.com

Regards