Guardar documentos docx em pdf

exportPDF.cs

private void ExportPDF(string nome)
{
	var wordApp = new Microsoft.Office.Interop.Word.Application();
	var wordDocument = wordApp.Documents.Open(nome);
			
	wordDocument.Save();
	wordDocument.ExportAsFixedFormat(nome.Replace("docx", "pdf"), Microsoft.Office.Interop.Word.WdExportFormat.wdExportFormatPDF);
	wordDocument.Close(Microsoft.Office.Interop.Word.WdSaveOptions.wdDoNotSaveChanges,
	    Microsoft.Office.Interop.Word.WdOriginalFormat.wdOriginalDocumentFormat,
	    false);
			
	wordApp.Quit();
			
	Console.WriteLine(nome);
}