I was given a pamphlet on what to expect in my Dad's last couple of days. Any ideas?

Here are many threads on this site about end-of-life topics:

https://www.agingcare.com/end-of-life-signs

You can look on the internet for "end of Life" expectations, and Hospice care, something along those lines. I'm sure the pamphlet was simply a small piece of information about what you could expect---the internet is rife with more information than any small pamphlet could hold.