If you mean highlighting signals in both the tools together, then it is possible. If both tools are invoked under the Cadence Project Manager and if you click on one connection in ConceptHDL it gets highlighted in Allegro.
No automatic process, *.ptf you can to write only manually in part table editor, because it consist of information about component.
For example, you have resistor, which consist of sym and footprint (several footprint's), but exist other information about resistor nominal, tolerance, producer .......... It's information keep in *.ptf. You have to attach *.ptf to your design and take necessary resistor from *.ptf.
Serg.