Markups with LeafletLoader vs PDFLoader

This article discusses the new PDFLoader component in the Viewer SDK, enhancing PDF viewing capabilities by complementing the previously used LeafletLoader. The choice of loader is dependent on the PDF's resolution. It highlights potential issues when transitioning markups between loaders due to differing coordinate systems and provides solutions such as using Autodesk.Viewing.PDFUtils.leafletToPdfWorld() for correct markup positioning. The APIs referenced include Viewer SDK.
You can find additional details in this blog