Version 9.0.0.0 is very old. If you are using , it is highly recommended to use the latest version available via the Microsoft RDLC Report Designer extension or the Microsoft.ReportingServices.ReportViewerControl NuGet package to avoid compatibility issues with modern .NET frameworks.
Microsoft Report Viewer has had confusing version numbers for years: microsoft.reportviewer.common version 9.0.0.0 download
(air-gapped legacy system)