Add to Quote button not showing on shop page

I have purchase Request a Quote for WooCommerce Plugin and configured using below video
https://youtu.be/78hmgPWs0Kk but on WooCommerce Shop Page (in my case products page) not working.

So please let me know the solution.

Link : https://src.florentispharma.com/products/

Thanks & Regards,
Kapil D

The page I need help with: [log in to see the link]