I've had issues with the drawing where it prints landscape but shows the drawing on it's side.
Setting the view seems to only affect it's local orientation and not the final PDF file orientation.
Setting the pc3 file seems to be the only reliable situation.
I had to set pc3 files on every machine
Adobe 11x17
Adobe 24x36
Adobe 36x48 .....
Then have my code use those pc3 files in the configuration.
as this is my own experience, I know other haven't had this issue.
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(defun botsbuildbots() (botsbuildbots))