I am in contact with Flatsome regarding this. Are you interested in solving the issue together with them? Maybe I can connect you two. It could mean more customers to you…
What I find strange is that the Flatsome settings include posts and pages. If Flatsome bypasses Relevanssi’s settings the end result should be that posts and pages are included…?
I haven’t managed to check any Woocommerce settings yet, since I can’t find them. You say I should check them so you might know where I should find them. Any hint?