User Configuration > Administrative Templates > Microsoft Visio 2016 > Visio Options > General > User Interface Options
User
HKCU\software\policies\microsoft\office\16.0\visio\application
This policy setting allows you to configure Live Preview, which shows a preview of how a feature affects the document as you hover over different choices. If you enable this policy setting, Live Preview is turned off. If you disable or do not configure this policy setting, Live Preview is turned on.