Guru do Excel e Power BI

Sub ConvertWordsToPdfs()
'Fonte: http://sebnilsson.com/blog/microsoft-word-macro-convert-word-files-to-pdf-files/
'Talvez seja necessário referenciar a biblioteca Microsoft Word 15.0 Object Library
    Dim directory As String
    directory = "C:\SeuDiretorioDeArquivosDo_WORD"
  
    Dim fso, newFile, folder, files
    Set fso = CreateObject("Scripting.FileSystemObject") '
    
    Set folder = fso.GetFolder(directory)
    Set files = folder.files
    
    For Each file In files

        Dim newName As String
        newName = Replace(file.Path, ".doc", ".pdf")
                
        Documents.Open FileName:=file.Path, _
            ConfirmConversions:=False, ReadOnly:=False, AddToRecentFiles:=False, _
            PasswordDocument:="", PasswordTemplate:="", Revert:=False, _
            WritePasswordDocument:="", WritePasswordTemplate:="", Format:= _
            wdOpenFormatAuto, XMLTransform:=""
            
        ActiveDocument.ExportAsFixedFormat OutputFileName:=newName, _
            ExportFormat:=wdExportFormatPDF, OpenAfterExport:=False, OptimizeFor:= _
            wdExportOptimizeForPrint, Range:=wdExportAllDocument, From:=1, To:=1, _
            Item:=wdExportDocumentContent, IncludeDocProps:=True, KeepIRM:=True, _
            CreateBookmarks:=wdExportCreateNoBookmarks, DocStructureTags:=True, _
            BitmapMissingFonts:=True, UseISO19005_1:=False
        
        ActiveDocument.Close
      
    Next

End Sub