To clarify, I know his actions and orders led to the death of millions upon millions of people, but did he ever kill anyone with his own hands, personally, while he was the leader of Nazi Germany?
There is a ton of information in the wiki section on WWII, including the question 'What was Hitler's stake in the Holocaust?', which looks like it could have the/an answer to your question.
Edit: There also seems to be an entire section of "What did Hitler think?" questions available for perusal.
hi! here are a couple of the many previous threads on this ~
Did Hitler ever personally kill anyone during his lifetime?
Not including his own wife, did Adolf Hilter ever physically kill anyone?