How To Create a N-in-1 Printing Option Into Save As PDF?

Tuesday April 23, 2019. 11:49 PM , from MacMost

I have been trying to find a way to create a shortcut to print multiple (4, 9 or 16) pages into 1 page of pdf?
By changing the printing option each time takes a long time if I have hundreds of pdf to convert individually.
Any suggestion is appreciated. Thank you.
—–
Thomas

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