fix: document error No PDF file specified

Author: raktima-opensignlabs

apps/OpenSign/src/pages/PdfRequestFiles.js

@@ -1331,7 +1331,10 @@ function PdfRequestFiles() {
                 </ModalUi>
                 {/* this component used to render all pdf pages in left side */}
                 <RenderAllPdfPage
-                  signPdfUrl={pdfDetails[0] && pdfDetails[0].SignedUrl}
+                  signPdfUrl={
+                    pdfDetails[0] &&
+                    (pdfDetails[0].SignedUrl || pdfDetails[0].URL)
+                  }
                   allPages={allPages}
                   setAllPages={setAllPages}
                   setPageNumber={setPageNumber}