Thank you for this a good question, in my opinion :
Definitely, AI can save lives if it used correctly in accordance with the standards and requirements which are achieve this goal.
We know the importance of this subject (AI) in the various fields for instance: Military, Health care, Economic and other fields. Otherwise,
AI can destroy the life if it used in the wrong way as weapons of destruction, wars and everything we described as a hacked tools for the nature human life.