This example tries to open a password-protected PDF. You need to specify a valid password (use "user" or "owner") for the PDF to open.
window.onload = function() {
//DsPdfViewer.LicenseKey = "***key***";
const viewer = new DsPdfViewer("#viewer", {
// Use the password option if you
// don't want to show "password required" dialog:
// password: "user"
});
viewer.addDefaultPanels();
var pdfUrlToOpen = "/document-solutions/javascript-pdf-viewer/demos/product-bundles/assets/pdf/password-protected-user.pdf";
viewer.open(pdfUrlToOpen);
// You can also pass the password to the "open" method, e.g.:
// viewer.open(pdfUrlToOpen, { password: "user" } );
}