Stopwatch watch = Stopwatch.StartNew();
                var conversion = GroupdocsConversion.Instance();
                var converted  = conversion.Convert(myMemoryStream, FileType.Docx, FileType.Pdf);
                var elapsedMs = watch.ElapsedMilliseconds;
                Console.WriteLine("Conversion finished, state is " + converted.State + ", press any key to exit ");
                Console.WriteLine("Elapsed time " + elapsedMs);

                Console.ReadKey();