The customers that are using Creo Elements/Direct Modeling are all using Inseperable Assemblies. This feature is supported in a standalone session or a linked session to Windchill. This function exists already a long time.
Since Creo 8.0 this is also available, which is a great enhancement.
PTC forgot to add the functionality for Creo Elements/Direct Modeling, which is unacceptable as Creo Parametric & Creo Elements/Direct Modeling are both products from PTC. This should be supported in a first place.
For NX, Solidworks, Catia and Inventor it is possible, but not for the product they deliver.
Please add also this functionality to Creo Parametric as this is for NX, SolidWorks, ...
See below a picture from the import profile option