Use sethtml debug output, according to the last card on PDFObject undefined issue, not solve, web page can normal open it with chrome rendering PDF
<meta charset="utf-8" & gt;Online browsing PDF
<body><script>
PDFObject. Embed (" D:/visual3D/WorkstationMultiuser/Builder/Debug/report/Data/1.2.840.113704.1.111.5488.1521071043.1 _15 2019-10-11-45. PDF ");
</script>