At present, we do not have support to organize the PDF pages in SfPdfViewer. We do not have any immediate plans to implement this feature. During the planning stage for each release cycle, we review all open features and identify which ones to implement based on specific parameters such as product vision, technological feasibility, and customer interest. We will notify you when this feature is implemented.
Please use the feedback link to track the status of this feature, Support to organize the PDF pages in SfPdfViewer