Hi Jomel,
Syncfusion greetings!
## Save the document on the client side database after importing and/or editing the document
In browser, it is not possible to access the physical path to download the document. You can either save the document in string(sfdt format) using serialize() or Using SaveASBlob() method you will get the Document as Blob stream(Docx format) in client side and save that stream in Database.
Documentation link:
Regards,
Suriya M.