among many seems unnecessary given that you have already stated that there are a plurality of reasons and that what you are describing is one of them; but if you wish to retain it, I would place it at the start of the sentence, amongst other minor grammatical changes:
This, among many, is one of the main reasons
of for focusing on X during my master’s studies, such as X could have a high ITR when compared to other techniques, letting (allowing/enabling?) users to focus on the task more conveniently.
conveniently sounds unnatural in this context, as I'm unsure how one could focus one something more conveniently.
allowing users to better focus on the task.