STHENO/PRO provides a high level of 2D drafting capability for Creo drawings. You can transfer data between STHENO/PRO and Creo in the .tsh file format.
You can use the File > Save As > Save a Copy, File > Open, and Model > Get Data > Import export, import, and append commands, respectively. Use the File > Save As > Export command to export the drawing to STHENO/PRO as a publish deliverable.