You can share with file synchronisation apps like Syncthing/Ouisync [0], exploit a temporary weakness in the isolation model with Inter Profile Sharing [1], or simply copy the files over to an external storage device and transfer them that way.
[0]https://github.com/Catfriend1/syncthing-android
[0]https://github.com/equalitie/ouisync
[1]https://github.com/VentralDigital/InterProfileSharing