Create unlimited number of Ubuntu Li-f-e bootable media from the MSS

Do we need to purchase licenses for each USB bootable live media that is created from the MSS?

No, you can create and distribute unlimited number of Linux USB bootable live media from the one-click media creator located on the administrator’s desktop. The simple instructions to create the bootable media are available in the  Take Linux Home  section of the user manual.

Herein are the videos depicting the multiple ways to create a Live USB -

Creating a Live USB without and with data persistence support