Hi, You can try our Syncfusion Blazor PDF Viewer that helps to store and retrieve the PDF document from data using C# and VB.NET. Our Blazor PDF Viewer Getting Started is a good place to start. You can try our 30-day free trial to check out our Blazor PDF Viewer and other Blazor components. And all the Blazor components are available at free of cost. If you are eligible, you can claim free community license.
https://www.syncfusion.com/sales/communitylicense
Note: I work for Syncfusion