Provide support for Interactive Forms (AcroForms) in the PDF Viewer for Xamarin.

For detailed information on Interactive Forms concept check below: 
https://docs.telerik.com/devtools/document-processing/libraries/radpdfprocessing/model/interactive-forms/overview

Provide the option to integrate the hand signature using the digital signature of the PDF document

Implement the ability to display the pages of a document with a different orientation.

The square annotation type displays a square on the page.

Provide a way to create a custom layer in RadPdfViewer and allow to add custom objects on top of the pdf document (in a similar way as PdfViewer for WPF).

Currently when the pdf document is loaded, no further changes can be made to it.  We should provide a way (automatically or explicitly through a method) to reload the page after the pdf content is modified.

Implement functionality for visualization of comment annotations.

An implementation of JPXDecoder should be created to allow the decompression of data encoded using the wavelet-based JPEG2000 standard.

Dear,
Please add bookmarks to the pdf reader.

Best regards.

Carlos Palomino.

Provide a way through UI and programmatically to load password-protected pdf documents in PdfViewer.

where if in this mode, the zoom level will be changed upon the user changing the current page (via scrolling or navigating). 

implement annotations handling when RadFixedDocument is imported with PdfProcessing

A remote go-to action is similar to an ordinary go-to action but jumps to a destination in another PDF file instead of the current file.

Support for horizontal scrolling the Pdf document in the viewer: 
Horizontal single page (go through the pages swiping/scrolling left and right)
Horizontal multi-page stacked (not possible, go through the pages swiping/scrolling left and right)

Provide support for lots of image formats when exporting PDF documents.

Implement API for adding document outline (a.k.a bookmarks).

For example page loaded event: the purpose of the event to get a callback whenever a page is loaded and the page information is available.