To set a PDF viewer as the default on Mac OS X:
If when opening your SMS template, your Mac is defaulting to another PDF viewer (Not Adobe Reader) like the Preview App, you can change your default PDF reader to Adobe Reader by following these instructions:
- Select any PDF file. Control-click to open the menu, and choose File > Get Info.
- From the Open with: drop-down menu, select your preferred application, such as Adobe Reader or Preview.
- Click Change All button, and in the subsequent dialog box, click Continue.