public MemoryStream GetSingleDocumentBinary(string documentID)
        {
            try
            {
                //Get the document
                List<DocumentLibraryList> documentResult = GetDocuments(documentID);

                //Create the context and get the file info
                System.Net.NetworkCredential sharePointCredentials = new System.Net.NetworkCredential(Username, Password);
                ClientContext sharePointContext = new ClientContext(ServerPath);
                sharePointContext.Credentials = sharePointCredentials;

                var spFileInfo = Microsoft.SharePoint.Client.File.OpenBinaryDirect(sharePointContext, documentResult[0].DocumentPath);

                //Return document as memoryStream
                MemoryStream resultStream = new MemoryStream();
                spFileInfo.Stream.CopyTo(resultStream);
                return resultStream;
            }
            catch (Exception)
            {
                //log error here with a logger, or call a backup method to do the processing
                throw;
            }