Download File After Insert Signature

hi,
I have a problem when insert signature and try to download, the download file not contains any signature or changes.
how to download file with changes.

Regards

Hello, I’m Ron, an automated tech support bot :robot:

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Hi there,

PDF.js Express does not support merging signatures/annotations into a document client side. To accomplish this, you can use our REST API to merge annotations into a document.

Let me know if you have any further questions.

Thanks!
Logan