Azure Blob Storage
PDFs can be loaded from- and saved-to files, streams and binary arrays. All of which can work with blob storage.
- Loading and Saving PDFs from Memory (MemoryStream) in .NET - https://ironpdf.com/docs/questions/pdf-memory-stream/
- Serve PDF Files as Byte Arrays in C# and VB - https://ironpdf.com/docs/questions/asp-net-mvc-pdf-binary/
Further reading: https://docs.microsoft.com/en-us/azure/storage/blobs/