Here is an example of what the submenu looks like in most Mac apps, note there are other PDF saving options too but what we’re looking to do is “Save as PDF” which effectively prints the document precisely as it appears into a PDF document: Locate the resulting document in the Finder or with another app, it’ll appear as a unique PDF file, and no, it will not overwrite or alter the origin file it was created from. Click “Save” in the save dialogue box, and save the file to whatever location you want (Documents is default).Look for the “PDF” button in the lower left corner, click on that pull-down menu, and select “Save as PDF”.Click the File menu and select “Print”, or just hit Command+P.Open the document, web page, or file you want to print to a PDF.Here is exactly how to print PDF’s if you haven’t done so before in Mac OS X: That may sound complicated but it’s actually quite simple. You might try one of the free pdf printers, like Bullzip, to see if the problem is Acrobat.What you’re essentially doing is exporting the file as a PDF through the Macs print service. You can always try the old boilerplate approach of renaming your template which can be especially useful when changing versions. So other than suggesting that you check your settings to see if something got changed, or your layers to see if something changed to cause rasterization, I can't offer much other than suggesting as a work around that you use Acrobat to optimize your exported pdfs. Changing the distiller settings didn't have much of an impact but changing ArcMap's export options sure did. This isn't much of a test, and the problem of machine specific variations in ArcGIS (and probably Adobe) makes it even less useful. I then used Acrobat Pro 9 to optimize the pdfs and in the case of exports it reduced the file size to about 40% of the original in the case of the print to pdfs about 60%. Printing to pdf (Acrobat 9) from 9.3.1 produced a file size almost the same as printing to pdf from 10. Printing to pdf (Acrobat from ArcMap 10 actually produced a larger file size in my test than an export to pdf, although both were larger than the same export from 9.3.1. I thought I'd run some tests on my computers to see how this worked in case I ever wanted to use 10 for real work.

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