Hi, so it appears font.com doesn’t give you the webfont files directly but rather is using a cloud system? Can you confirm that?
There was a discussion recently about such a service, namely typography.com.
Consecutively, the user added a request for support : Typography.com / Cloud.typography / Hoefler & Co. Support - Product feedback - Forum | Webflow
Can you read all this, come back with possibly more infos, and maybe voice your concerns in the Whishlist thread?
Thanks!
(just in case of, if you have the font files, you can add them to Webflow)