The VR setting is exactly the same as this video:IBKR Desktop - The Future of Trading. Today
And I create the metahuman following the documentation. The eye tracking seems fine in the FirstPerson, but the character looks at ground when I talk with her.
While I am writing the blog, I just fix it XD. Go to the Convai_MetaHuman_FaceAnim and set the Look Exactly at Camera. Then it will work.