Right now, the PictureSign 2.0 beta will crash if there's not a separate VLC installation for libvlc.dll: https://mclo.gs/ZafbGSt
It feels like libvlc could possibly be bundled with the mod, though that might end up being complicated with different OSes and architectures.
There are also some people encountering this on Linux even with VLC installed, though it might be via flatpak.