ello i contacted with facerig devs for know which avis i can use free and without ask permission to creator and got this answer.
No, not all free avatars can be used without permission, only Holotech Studios avatars can be used without permission.
Please read the description for each avatar, there you will find out which ones are under license and who you should contact to obtain approval to use them.
The FaceRig team
I am at facerig right now in the avatar section and i cant see any avi info tag which identify those avatar he said i can use without permission. Can anyone help me?. Thanks.