I can't buy from sounds dot com it says it doesn't support my location in Denmark, Europe, but it should?
Is it possible your browser is using a VPN?
No I am not using a vpn.
Sounds.com is only available in specific countries: https://support.sounds.com/hc/en-us/articles/360001330138-How-much-is-it-Where-is-it-available-
I don't see Denmark on this list and so that should explain it.