Hi Simon,
Greetings from Syncfusion support,
We were unable to reproduce the issue, “PDFViewer gets hanged sometimes on clicking of the edit button on the toolbar” in our end. Could you please try the below-provided sample and let us know whether we have missed out anything while replicating the issue.
Please find the sample in the below link, which we have used to reproduce the issue in our end
Kindly share the following details to analyze more on this issue and assist you with the better solution
1.Simple sample/ modify the above sample to reproduce the issue.
2.PDF document.
3.Replication video/ procedure to reproduce the issue.
4.SfPdfViewer version
5.Device Information
Regards,
Muralitharan K.