About the Windows 10 21H2 IoT (opens in new tab)

We are going to try and update our tills with Win 10 21H2 IoT, as it has the longest support life.I've gone to the 365 admin centre to download the ISO and only Windows 10 Enterprise LTSC 2021 (21H2) is listed. Anyone know if there's an option to install the IoT version from that particular build, or are education enterprise customers not eligible for the IoT version?Thanks