Squirrly SEO is compatible with WooCommerce and the WooCommerce Add-ons.
By default Squirrly uses the WooCommerce product categories in JSON-LD Schema to create the Breadcrumbs List.
For custom brands in WooCommerce products use an Add-ON named YITH WooCommerce Brands Add-On.
Here is the support thread on WordPress and the fix we added since Squirrly SEO 2020 :
For more article with WooCommerce compatibilities please read: