VBA Bookmarks PDF

Sub book()
Dim Exch As Object
Dim AVDocu As Object
Dim AVPageView As Object
Dim PDDocu As Object
Dim PDPage As Object
Dim PDText As Object
Dim strArgument2 As String
Dim PDBookmark As Object
Dim numPages As Integer
Dim bFile As Boolean
Dim bShow As Boolean
Dim iPageNumber As Integer
Dim ii As Long, jj As Long, iii As Long
Set Exch = CreateObject("AcroExch.App")
Set AVDocu = CreateObject("AcroExch.AVDoc")
Set PDDocu = CreateObject("AcroExch.PDDoc")
strArgument2 = ("\\ERPA-SERVER\ERPA-Updates\ERPA-Standards\KatalogDE\Erpa_Katalog_DE.pdf")
AVDocu.Open strArgument2, strArgument2
Debug.Print bShow
bShow = Exch.Show()
Debug.Print bShow
Set PDDocu = AVDocu.GetPDDoc
numPages = PDDocu.GetNumPages()
Debug.Print numPages
Set AVPageView = AVDocu.GetAVPageView
Dim bookmarkstr(1000) As String
Dim JSO As Boolean
Dim jsoo As Object
Dim gPdDoc As Acrobat.CAcroPDDoc
Dim indexB As Integer
indexB = 0
Dim indexC As Integer
indexC = 0
For ii = 0 To 500
If ii = 0 Then GoTo hier
If Cells(ii, 4).Value = "standard" Or Cells(ii, 4).Value = "alias" Then
bookmarkstr(indexB) = Range("G" & indexC)
bookmarkstr(indexB + 1) = Range("G" & indexC) & "_2"
End If
hier:
indexB = indexB + 2
indexC = indexC + 1
Next ii
Dim strTempArray() As String
Dim j As Integer
Dim i As Integer
For i = 0 To UBound(bookmarkstr)
If bookmarkstr(i)  "" Then
ReDim Preserve strTempArray(j)
strTempArray(j) = bookmarkstr(i)
j = j + 1
End If
Next
For iii = 0 To numPages - 1
JSO = AVDocu.GetAVPageView.Goto(iii)
'Create BookMark Object
Set PDBookmark = CreateObject("AcroExch.PDBookmark", "")
'execute the menu item
Exch.MenuItemExecute ("NewBookmark")
'set bookmark title
JSO = PDBookmark.GetByTitle(PDDocu, "Unbenannt")
JSO = PDBookmark.SetTitle(strTempArray(iii))
JSO = PDDocu.Save(PDSaveFull, strArgument2)
Next iii
Exch.MenuItemExecute ("Save")
PDDocu.Close
AVDocu.Close (0)
Exch.Exit
Set Exch = Nothing
Set PDDocu = Nothing
Set AVDocu = Nothing
End Sub