Connecting two offices and connecting fifty remote agents are not the same problem.
Site-to-site VPN creates a permanent encrypted tunnel between two fixed locations — ideal for linking a main office to a branch or data center.
Remote-access VPN lets individual devices connect in on demand — the right fit for remote staff, agents working from home, or field teams.
Many businesses end up needing both: site-to-site between offices, remote-access for the people who aren't in either one.