Configuring the Creo View Adapter for Creo Parametric > Advanced Creo Parametric Adapter Configurations > Configure the Generation of PDF Drawing Viewables in Creo Parametric
  
Configure the Generation of PDF Drawing Viewables in Creo Parametric
HPGL is the default output format for drawing viewables in Creo Parametric. To change the output to PDF perform the following procedure:
1. In the Advanced > Miscellaneous tab, set Drawing Output to PDF
2. In the Advanced > PDF Output Setup tab fill the settings.
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See the PDF Output Setup section in Setting Options on the Advanced Tab for more details.
Alternatively, use a text editor to type adapter/outputDXFDrawing=4 to get the same results.