See Documentation here : http://sdrv.ms/11AWkp7

Changes in version 1.1.5

Fixed bug when using -Shapes parameter

Set-VisioPage has more alternatives

Set-VisioActivePage -Flag FirstPage
Set-VisioActivePage -Flag LastPage
Set-VisioActivePage -Flag NextPage
Set-VisioActivePage -Flag PreviousPage

Set-VisioActivePage -Name "Mypage"

Set-VisioActivePage -Page $p #where $p is a Visio Page object