If right clicking is not activated on your mack (trackpad or mouse), you can hold the option key as you click. You can find information on how to activate secondary click here: https://support.apple.com/en-ca/HT207700
If you are using Chrome for Mac, a download button appears at the top of the window. In Safari, you simply have to do ⌘S to save the file that you see in your browser.
You can also set your browser to save PDFs to your download folder automatically:
- Open the menu (Under Chrome) to access Settings / Preferences.
- Scroll down and click on ADVANCED to open the Privacy and security section
- Click SITE SETTINGS
- Click on PDF and turn on the feature
- Go to the download section of the Settings to tell Chrome where to save everything and if you want it to prompt you each time you are about to download something