GroupDocs.Viewer Cloud does not include notes in the rendering results. However, you can choose between to show or hide the notes in the output. If you want to see notes in your rendering result, use RenderNotes property of the HtmlOptions (or JpgViewOptions, or PdfOptions).
The following code sample renders Presentation with notes.
API Usage There are steps that usage of GroupDocs.Viewer Cloud consists of:
Upload input document into cloud storage Render document or get document info Download rendered document from storage Steps 1 and 3 are storage operations, please refer to this File API documentation for usage details....Please get your Client Id and Client Secret from https://dashboard...place Client Id in "client_id" and Client Secret in "client_secret"...