I played the demo and the one issue I had initially is that the dialogue would disappear if I scrolled away from when I would try to go back to read it. Then the new dialogue would also disappear if I scrolled back to it. Starting a different game after relaunching it may have fixed the issue since I was unable to replicated again but I did record it on my stream. You can see it here if you need to once the video is done processing and goes live: