This article provides steps for hiding the horizontal and vertical scroll bars in Word 2011 for Mac. Word 2011 allows users to hide to scroll bars using the options available as part of Preferences.
Click the Word menu and select Preferences from the menu list.
In the Word Preferences window, navigate to Authoring and Proofing Tools section and click the View option.
This would display the following View Preferences window. Navigate to Window section and un tick the check box with label as Horizontal scroll bar and Vertical scroll bar. Click the OK button to confirm and save the changes.