While not strictly a social chat room, Media Molecule’s Dreams allows you to explore thousands of user-made VR worlds, many of which are designed for social interaction.
While the official VRChat support page lists compatibility for SteamVR, Meta Quest, iOS, and Android, Sony's consoles remain unsupported. Several factors contribute to this: vr-chat-ps4
Supporting the vast, unoptimized custom avatars and worlds in VRChat requires significant processing power, which can be a challenge for older PS4 hardware. While not strictly a social chat room, Media