I've worked at two companies so far and at both SaaS things like mail, chat, videoconferencing were accessible without a VPN, but git repos, CI, development ser

I've worked at two companies so far and at both SaaS things like mail, chat, videoconferencing were accessible without a VPN, but git repos, CI, development servers, basically anything self-hosted is behind a VPN. So you won't stream video for your video calls over the VPN, but the source code, logs, builds, etc. are protected by VPN.