Generate report through X++ and save as pdf in to folder EX:SalesInvoiceReport +D365

SrsReportRunController   controller = new SrsReportRunController();

        SalesInvoiceContract     rdpContract = new SalesInvoiceContract();

        SRSPrintDestinationSettings   settings;

        System.Byte[]    reportBytes = new System.Byte[0]();

        SRSProxy    srsProxy;

        SRSReportRunService    srsReportRunService = new SrsReportRunService();

        Microsoft.Dynamics.AX.Framework.Reporting.Shared.ReportingService.ParameterValue[]   parameterValueArray;

        Map  reportParametersMap;

        SRSReportExecutionInfo       executionInfo = new SRSReportExecutionInfo();

        ;

        CustInvoiceJour custInvoiceJour = CustInvoiceJour::findFromSalesId_IN("SO081204");

        if(custInvoiceJour)

        {

            if (!WinAPI::pathExists("C:\\Temp\\Invoices\\"))

                WinAPI::createDirectoryPath("C:\\Temp\\Invoices\\");

            Filename filename =strfmt("C:\\Temp\\Invoices\\%1%2",custInvoiceJour.InvoiceId,".pdf");

            controller.parmReportName(ssrsReportStr(SalesInvoice, Report));

            controller.parmShowDialog(false);// Explicitly provide all required parameters

            rdpContract.parmRecordId(custInvoiceJour.RecId);

            controller.parmReportContract().parmRdpContract(rdpContract);// Change print settings as needed

            settings = controller.parmReportContract().parmPrintSettings();

            settings.printMediumType(SRSPrintMediumType::File);

            settings.fileFormat(SRSReportFileFormat::PDF);

            settings.overwriteFile(true);

            settings.fileName(filename);

            controller.parmReportContract().parmReportServerConfig(SRSConfiguration::getDefaultServerConfiguration());

            controller.parmReportContract().parmReportExecutionInfo(executionInfo);

            srsReportRunService.getReportDataContract(controller.parmreportcontract().parmReportName());

            srsReportRunService.preRunReport(controller.parmreportcontract());

            reportParametersMap =  srsReportRunService.createParamMapFromContract(controller.parmReportContract());

            parameterValueArray = SrsReportRunUtil::getParameterValueArray(reportParametersMap);

            srsProxy = SRSProxy::constructWithConfiguration(controller.parmReportContract().parmReportServerConfig());

            // Actual rendering to byte array

            reportBytes = srsproxy.renderReportToByteArray(controller.parmreportcontract().parmreportpath(),

                parameterValueArray,

                settings.fileFormat(),

                settings.deviceinfo());

            if (reportBytes)

            {

                System.IO.Stream            stream         = new System.IO.MemoryStream(reportBytes);

                var fileStream = new System.IO.FileStream(filename, System.IO.FileMode::Create, System.IO.FileAccess::ReadWrite);

                stream.CopyTo(fileStream);

            }

        }

==========================================================================

http://www.dnetsoft.com/en-us/d365-generate-a-report-through-x-and-save-in-a-local-folder/