I agree not sure that you can preview individual gaffles (and after 4 months stumbling through its use - I'm sure I tried everything). You can export the individual courses.
I would agree with Eddie don't use it unless you have no choice.
Condes seems easier (and massively cheaper!) and gives a club a licence so every member of that club can run Condes on every computer they own and it'll still be legal. Seems to me Finn Arildson understands how planning of orienteering works and the Swiss OCAD crew don't.
To further that, when planning the Scottish relays last year I had a problem which the poor help text did not solve. I e-mailed Fin and had a comprehensive answer within 30 minutes