If you are going to import the ActorCore character into Blender, please use the Blender Auto Setup (cc3_blender_tools) to get a better result.
3. Import the
ActorCorecharacter via
Blender Auto Setup (cc3_blender_tools).

4. You will need to adjust the Specular value in Shader Editor first.6. Import the motion into Blender. You do not need to import using Blender Auto Setup this time.
7. Switch Timeline to the Dope Sheet > Action Editor.
8. Make sure to select the character, and then you can pick a motion in the drop-down menu.
Follow this workflow, you can apply motions easily and get a better result in Blender.