It appears that the Mac version has a bug in it. Some Googling shows that many other people have run into it. In short, you can't print your return - somehow the print out is enlarged and only about two-thirds of the page prints. You have to delete all your printers, print to a PDF, re-install the printers, and then print out the PDF.
I’ve used this software for years. It is easy to use and helps me with all my tax needs, including investment portfolios, and all allowable deductions.