Bug report

The download functionality of the PDFViewer component and when downloading PDF using kendo.saveAs() method doesn't work on some iOS mobile devices.

Reproduction of the problem

1. Open the PDFViewer demo or the PDF Export Demo
2. Try to export the file to PDF on iOS device

Note: On some iOS devices the PDF is exported as expected, but on others, nothing happened.

Current behavior

Currently, on some iOS devices, the PDF is exported, on others, it is exported, but there is a warning "This form is not secure, are you sure you want to submit it". After approval, the file is downloaded. On some iOS devices after clicking the button to download the PDF file nothing happens.

Expected/desired behavior

It should be possible to download the PDF file on all iOS devices.

Environment

• Kendo UI version: 2022.1.301
• Browser: [iOS XX Safari]