Here is the code I used and it's great.
If acroFiles.Length > 0 Then
Dim newreader As String = acroFiles(0) 'DO NOT MOVE ON THE FLY
Dim ps As Process = Process.Start(newreader, String.Format("/p ""{0}""", pdfFileToPrint)) 'DO NOT MOVE ON THE FLY
ps.WaitForExit()
Else
MessageBox.Show("Could...