Solution: We figured out what is most likely causing this issue for you.
If you change your computer display settings on your computer to Medium
or Larger to make things easier to see this affects the fonts on the PDF
file when it is created. You need to leave the settings at the default. You
can test this by changing your settings back to the default settings and log
out and log back in. Then regenerate the ACH tables and file. The PDF
will be back to normal size.