Sometimes built-in basic PDF viewing in Chrome does not work as expected. You can disable it and enable Adobe PDF viewer for better results. Follow the procedure below:
- type about:plugins in address line and press Enter
- expand plugin's list by clicking on Details in upper right corner of resulting screen
- locate Chrome PDF Viewer plugin and click on disable link
- locate Adobe Acrobat plugin and click on enable link
That's all. Enjoy the show.