Don't have PDF creator, but for a regular printer if you have multiple worksheets selected (Ctrl+LMB) and Print, you get a single printout.

Might be worth seeing if you can do a single multi-sheet print to PDF creator

Here's the code I got with Recorder

[VBA]
Sub Macro1()
Sheets(Array("Sheet1", "Sheet2", "Sheet3", "Sheet4", "Sheet5")).Select
Sheets("Sheet1").Activate
Application.ActivePrinter = "CutePDF Writer on CPW2:"
ActiveWindow.SelectedSheets.PrintOut Copies:=1, ActivePrinter:= _
"CutePDF Writer on CPW2:", Collate:=True
End Sub
[/VBA]