Dear Team,
As like in other frameworks (https://pspdfkit.com/) we should have the in built option to rotate the PDF pages using Kendo UI PDFViewer widget.
https://web-examples.pspdfkit.com/annotations?i=7KSM53H6QBTN7G45WA030T9C0R.C3YbvdyO2FG3Et1PMQ1btA.KV3y
Regards,
Velusamy