SmartArt not displayed in converted PDF
If a converted PDF does not display SmartArt images, check that the following setting in Word in turned on:
SmartArt may not always display in a PDF document converted from Word.
From Word's main menu:
1. Select Options form the File tab.
2. Select Display from the Options tab.
3. Within the Printing Options section make certain that "Print drawings created in Word" is checked. (See image below)