If you insert a next page section break at the end of the document, unlinking that section's headers/footers from those of the previous sections, then put the entire page you want to replicate into the last Section's header, the following macro will let you make as many copies of that page as you require.
Code:
Sub LastPageCopier()
Application.ScreenUpdating = False
Dim iCount As Long, i As Long
On Error GoTo Done
iCount = InputBox("How many of the last page do you need?", "Last Page Copier", 2)
If IsNumeric(iCount) = False Then GoTo Done: If iCount < 2 Then GoTo Done
For i = 1 To iCount
ActiveDocument.Range.InsertAfter Text:=Chr(12)
Next
Done:
Application.ScreenUpdating = True
End Sub