Yes. We search in products, products attributes, custom fields, including sku and prices (for price range or price slider filters).
What is you project about ?
That’s good. this should be easy for wpsolr then.
But starter pack can also search through products and posts? because WooCommerce is listed under the “all packs” plan.
Starter pack can search in any post types, including products. But it cannot benefit from WooCommerce specific features (attributes, work with storefront search template).