Selfhost sdk & choose other ways of cooperation

As cloud editor can selfhost domain, Do sdk aslo support?
I have emailed to support@8thwall.com, but not get a reply

Here’s how to setup host domains

I’m unsure what

Do sdk aslo support?

means though. Could you clarify?

I am dev on local env. Do I still need a Pro licence?

Yes otherwise your AppKey will be invalid.

Thanks.
By the way, I see from 8th Wall | Pricing and Plans - WebAR, AR, WebVR Developer Tools and SDK
All projects must display the Powered by 8th Wall badge on the loading page.
Is there a way to remove this . such as buy a special license?

Unfortunately no, however The loading screen can be customized, All projects must display the Powered by 8th Wall badge on the loading page.