If your theme is not compatible with the Biscuits Bundles App Embed out of the box, there is an update you can make to your themes code to make it compatible.
Known issues:
Missing product id
Themes with issue: Blum, Multi, Next, Nostalgia, Paralax, Retina, Showcase, Starlite, Vision, Vivid,
Issue: There is no product id or variant id in this themes product grid items for Biscuits Bundles to identify the bundles quick add or quick view button.
Action:
Requires editing theme file for product grid item quick add or quick view button.
The button needs updating with:
data-product-id="{{ product.id }}"