When I change the printer to Adobe Acrobat (or other printer) the fonts are too small or too big.

If you change the selected printer from Print Setup on the File menu, the fonts should be correct. For information: Elevate scales fonts according to the requirements of your printer and the paper size selected. If you change your selected printer from within the print dialog, the re-scaling is triggered by Elevate, but does not occur immediately. We believe that this is a bug in the Windows MFC print routines, and to date, have not been able to find a fix for it.