DisplayScreenTips Property
Returns or sets whether ScreenTips are displayed. Set this property to False to prevent the display of ScreenTips. The default value is True. Read/write Boolean.
expression.DisplayScreenTips
expression Required. An expression that returns a PivotTable or ChartSpace object.
Example
This example disables ScreenTips for PivotTable1.
PivotTable1.DisplayScreenTips = False