Linearized pdf doesnt load over presigned s3 url

[kkim]

That means the server hosting the file has not set up the range requests, you can read more about it here:

PDF.js Express Viewer Integration Best Practices | Documentation

See this forum post for more details:

Using the HttpPartRetriever

Hi everyone, PDF.js Express does support range requests by default (only for PDFs) and will use them whenever available. There is no additional configuration required on the client as it is enabled by default. However, the PDF file must be linearized and your file server must be set up to support range requests as well. That being said, any functionality beyond what is being provided will be tricky as this is mostly handled by the internals of the core PDF.js library. If you absolutely require…

Best regards,
Kevin Kim