Hi @Angus Beare ,
So far I know currently, there is no method available in RestAPI.
https://app.swaggerhub.com/apis/microsoft-rs/SSRS/2.0#/Reports/GetReportAllowedActions
We can optionally specify the format in which to render a report by using the rs:Format URL parameter. The HTML4.0 and HTM5 formats (rendering extension) will render in the browser and for other formats, the browser will prompt to save the report output to a local file.
For example, to get a PDF copy of a report directly from a native mode report server:
https://myrshost/ReportServer?/myreport&rs:Format=PDF
For reference:https://learn.microsoft.com/en-us/sql/reporting-services/export-a-report-using-url-access?view=sql-server-ver15
We could also download SSRS reports as PDF using C#.
Regards,
Zoe
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