Returns or sets the distance (in points) between the footer and the bottom of the page. Read/write Single.
This example sets the distance between the footer and the bottom of the page to 0.5 inch. The InchesToPoints method is used to convert inches to points.
ActiveDocument.PageSetup.FooterDistance = InchesToPoints(0.5)
This example sets the distance between the footer and the bottom of the page for all the sections in the selection to 1 inch.
Selection.Range.PageSetup.FooterDistance = 72