Is there a way to convert the pose extension to rigged 3D animation ?

[TheCuddleDoodle]

Is there an example to convert pose file intor mixamo fbx animated file ?

[AmitMY]

Not reliably.
You can try it out here https://sign.mt/playground
Following this video https://www.youtube.com/watch?v=TyJuU9_GOaw

There was a start of building it here in this repo: https://github.com/sign-language-processing/pose-to-video/tree/main/pose_to_video/unconditional/mixamo
but never got around to finishing it