On their website they state that they comply with GDPR Law. As far as i know, cookies are not allowed to be set without consent (opt-in), which the finsweet cookie tool does, except for e-commerce projects.
I haven鈥檛 built multilingual websites in webflow yet but i don鈥檛 know why the script shouldn鈥檛 work when embedded properly.
As we have to say in Germany: Keine Rechtsberatung 馃槃