1) Enroll opening the following link with any browser on your device: https://interagit-interagit-msp.cmdm.comodo.com:443/enroll/apple/index/token/091aee53f18167b9c8b81dd83019fba3 

2.a) [ONLY for macOS Devices] 
When you have installed itsm.mobileconfig file, use this link to download and install Comodo Client application: https://dl.cmdm.comodo.com/download/itsmagent-installer.pkg 

2.b) [ONLY for iOS Devices] 
When your profile has been enrolled, you will be requested to install Comodo Client application. Upon completion of the installation, tap the green icon labeled "Run after installation" and follow on-screen instructions to complete enrollment process.