If I import in ue4 an asset with a geometry node and some null object nodes.
while the geometry one is visible I cannot see and so interact (transforming them) with null objects present in houdini.
This sounds like some kind of limitation of the actual plugin.
Could you please add this feature to the plugin?

Hello!

Can you please provide us with a sample asset and description of what the workflow should be? I don't have a full understanding from your description of the issue.

Thank you!

I think Paolo Oliverio wants to use the null nodes for transformation with different pivots. So a bit like using locators in Maya. Probably for some kind of make-shift rig.

Paolo Oliverio have you tried using a bone rig instead?