Displayin-PEREVIEW-Dokument-user task-Forms

Hello, I have created a Bpmn program
now i have a problem with the preview of my document
in the second user task “reviwe document” I don’t get that displayed
Can you help me there ?

test.demo.bpmn (7.3 KB)

i can share you also the HTML.forms please change the extension .html dont let it .form

task-form-pdf-upload.form (1.1 KB)

task-form-pdf-viewer.form (2.2 KB)

@jonathan.lukas some help please ?