Hi,
There’s some tests you can try:
Test1:
1.
Open Adobe Reader
2.
Click on “Edit” on the toolbar.
3.
Select “Preferences” at the bottom of the Edit list.
4.
Select “Internet” in the list of features on the left-side of the Preferences window.
5.
Check “Display PDF in browser” and “Allow fast web view”
Test2:
1.
Open IE.
2.
Click on “Tools” , select "Internet Options"
3.
Click on the “Advanced” tab in the Internet Options window.
4.
Under the Security section, uncheck the “Do not save encrypted pages to disk”
Click on the “OK” button to save the changes
Regards,
Leo
Huang
Leo Huang
TechNet Community Support
