If you would like to enable pdf files to display in the browser window, check the following settings.
Internet Explorer:
1. Open the installed Adobe Reader.
2. Once in Adobe Reader, click the Edit menu in the menu bar, and then click Preferences... The Preferences window will open.
3. In the Categories section, click on Internet.
4. Make sure the first check box, Display PDF in browser, is checked.
5. Click OK to dismiss the Window, and then close Adobe Reader.
Firefox:
1. Open the Firefox browser.
2. At the top of the Firefox windowOn the menu bar, click on the Tools menu, and select Options...
3. Select the Applications panel.
4. Find Adobe Acrobat Document in the Content Type column and click on it to select it.
5. Click on the drop-down arrow in the Action column for the Adobe Acrobat Document entry and select Use Adobe Acrobat (in Firefox).
6. Click OK to close the Options window
