Sub UpdateDocuments()
Application.ScreenUpdating = False
Dim strFolder As String, strFile As String, wdDoc As Document
strFolder = GetFolder
If strFolder = "" Then Exit Sub
strFile = Dir(strFolder & "\*.doc", vbNormal)
While strFile <> ""
  Set wdDoc = Documents.Open(FileName:=strFolder & "/" & strFile, AddToRecentFiles:=False, Visible:=False)
  With wdDoc
    
    With .Range
      With .Find
        .ClearFormatting
        .Replacement.ClearFormatting
        .MatchWildcards = True
        .Text = "[PR][eu][bv][ils]{3}[ehno]{2}[ Ndo]{1,3}"
        .Replacement.Text = ""
        .Forward = True
        .Format = False
        .Wrap = wdFindStop
      End With
      Do While .Find.Execute
        If .Information(wdWithInTable) = True Then
          Select Case Trim(.Text)
            Case "Revision No."
             .Cells(1).Next.Range.Text = "2.5"
            Case "Published"
              If .Cells(1).ColumnIndex = 1 Then
                .Cells(1).Next.Range.Text = "5 April 2021"
              End If
          End Select
        End If
        .Collapse wdCollapseEnd
      Loop
    End With
    
    Word_ExportPDF
    
    .SaveAs FileName:=Split(.FullName, ".doc")(0) & ".pdf", FileFormat:=wdFormatPDF, AddToRecentFiles:=False
    .Close SaveChanges:=True
  
  End With
  strFile = Dir()
Wend
Set wdDoc = Nothing
Application.ScreenUpdating = True
End Sub
 
Function GetFolder() As String
Dim oFolder As Object
GetFolder = ""
Set oFolder = CreateObject("Shell.Application").BrowseForFolder(0, "Choose a folder", 0)
If (Not oFolder Is Nothing) Then GetFolder = oFolder.Items.Item.Path
Set oFolder = Nothing
End Function

Sub Word_ExportPDF()
'PURPOSE: Generate A PDF Document From Current Word Document
'NOTES: PDF Will Be Saved To Same Folder As Word Document File
'SOURCE: www.TheSpreadsheetGuru.com/the-code-vault

Dim CurrentFolder As String
Dim FileName As String
Dim myPath As String
Dim UniqueName As Boolean

UniqueName = False


'Store Information About Word File
  myPath = ActiveDocument.FullName
  CurrentFolder = ActiveDocument.Path & "\"

  FileName = Mid(myPath, InStrRev(myPath, "\") + 1, _
   InStrRev(myPath, ".") - InStrRev(myPath, "\") - 1)

'Does File Already Exist?
'If so, too bad
'  Do While UniqueName = False
 '   DirFile = CurrentFolder & FileName & ".pdf"
  '  If Len(Dir(DirFile)) <> 0 Then
   '   UserAnswer = MsgBox("File Already Exists! Click " & _
    '   "[Yes] to override. Click [No] to Rename.", vbYesNoCancel)
      
     ' If UserAnswer = vbYes Then
        UniqueName = True
 '     ElseIf UserAnswer = vbNo Then
 '       Do
 '         'Retrieve New File Name
 '           FileName = InputBox("Provide New File Name " & _
 '            "(will ask again if you provide an invalid file name)", _
 '            "Enter File Name", FileName)
          
          'Exit if User Wants To
  '          If FileName = "False" Or FileName = "" Then Exit Sub
  '      Loop While ValidFileName(FileName) = False
  '    Else
   '     Exit Sub 'Cancel
   '   End If
   ' Else
   '   UniqueName = True
   ' End If
'  Loop
  
'Save As PDF Document
  On Error GoTo ProblemSaving
    ActiveDocument.ExportAsFixedFormat _
     OutputFileName:=CurrentFolder & FileName & ".pdf", _
     ExportFormat:=wdExportFormatPDF
  On Error GoTo 0

'Confirm Save To User
  With ActiveDocument
    FolderName = Mid(.Path, InStrRev(.Path, "") + 1, Len(.Path) - InStrRev(.Path, ""))
  End With
  
 ' MsgBox "PDF Saved in the Folder: " & FolderName

Exit Sub

'Error Handlers
ProblemSaving:
  MsgBox "There was a problem saving your PDF. This is most commonly caused" & _
   " by the original PDF file already being open."
  Exit Sub

End Sub