1. Open your file with PDF Reader Pro Mac;
2. Click File on the main menu;
3. To save changes to the current file, choose Save;
4. If you want to save a copy of the PDF, choose Save As, then you can name the new file, select the save address and file format, and finally click Save;
5. To save as a flattened PDF, click Save As Flattened PDF, then you can name the new file, select the save address, and file format, and finally click Save;
6. To save as an archive, choose Save As Archive;
7. To save as a disk image, click Save As Disk Image.