1) In demos working with PDF Demos\Other\PDFViewer\PdfViewer.dpr Demos\Actions\Actions_PDFViewer\PdfViewer.dpr in PDFViewer.ShowAllPages mode, do not work keys PageUp, PageDown, Home, End to move through the PDF file pages, only a mouse or scrollbars are running to move through pages. Please correct it.
2) Please add to the class TIEPDFViewerInteraction property or method is able to task the path to load pdfium_dll.