The five year survival rate is only 4%, and the one year survival rate is under 20%. By the time pancreatic cancer is diagnosed it has usually started to spread, and is inoperable.
My mother was diagnosed 2 months ago, and was given 2-3 months to live. She is now at the 2 month mark. She has lost well over 30% of her body weight, and is not long for this world. She weighs 56 lbs.
In a younger person the Dr might opt to do chemo. This might add on some time, but I don't know if it would be quality time or not.
In rare cases where the cancer is caught early ( usually by accident) there is a surgery called a whipple that can extend life expectancy, but only about 10% of people qualify for this surgery.
It is indead rare for a younger person to get this type of cancer. Most people will be between 60 & 80 years old.