open Document
Downloads and opens document from Instant Server (PSPDFKit Document Engine) synchronously.
Return
Opened document (InstantPdfDocument).
Parameters
jwt
The JWT defining the document and its layer.
Throws
when server document download fails.
when the document data on disk could not be accessed (e.g. due to permission errors, or data corruption), or when the data on disk belongs to another user than what is encoded in the JWT.