If you have your project in SHEET form using the layouts, you can use PUBLISHER to export sheet into a PDF file.
More than I can explain here, not knowing how much experience you have with ArchiCAD.
Look up PUBLISHER in the help files / reference...
Duane
Visual Frontiers
AC25 :|: AC26 :|: AC27
:|: Enscape3.4:|:TwinMotion
DellXPS 4.7ghz i7:|: 8gb GPU 1070ti / Alienware M18 Laptop