The desktop interface includes <abstractions/fonts>, which allows reading /usr/share/fonts.
Is the desktop interface connected (it should be unless you manually disconnected it)? Please share the output of `snap interfaces libreoffice`.
What's your host OS?
Which fonts are installed in /usr/share/fonts that the libreoffice snap can't see?
The desktop interface includes <abstractions/ fonts>, which allows reading /usr/share/fonts.
Is the desktop interface connected (it should be unless you manually disconnected it)? Please share the output of `snap interfaces libreoffice`.
What's your host OS?
Which fonts are installed in /usr/share/fonts that the libreoffice snap can't see?