compositing/tracking C4D object in AE?

[adam tracksler]

HI everyone, 
Looking for a tutorial, or help compositing a lower third element with a 3d model.
I have a machine that needs to have callouts of the parts. 
I have an animation with similar camera moves to this: (starts at @00:34)

https://youtu.be/tajEsY032-8?t=35s

And have the “with caleb pike” be the description of the part of the machine with a line pointing to the part it is describing.  And have that element move in 3D space with the model. 
I know that since the description will be animated, like a lower third, the best way to do that is probably in AE.
I’ve seen tons of tutorials about compositing a 3D element in a 2D layout, but not compositing a 2D element (like a text animation) into a 3D world, and having it track with the 3D object.
Any help or direction is greatly appreciated. 

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