1. Allow the elastic behavior of the PDFViewer's mobile scroller to be disabled. Currently, when scrolling to the top or to the bottom, the document jumps and then immediately re-adjusts its position under the widget's header/bottom border.
2. Add the ability to manually scroll the document up/down with mousedown.
3. Add keyboard scrolling support.
Provide editable AcroForms support in PDFViewer.
The current implementation of the Kendo PDFViewer depends on pdf.js, so the following should be taken into account: