He raised his eyes

Here "raised his eyes" is an idiom that means to look up. AT: "He looked up" (See: rc://en/ta/man/translate/figs-idiom)

Spirit of God came on him

This mean's God's Spirit took control of him to prophesy.

This can be stated in active form. AT: "God gave him this prophecy" (See: rc://en/ta/man/translate/figs-activepassive)

Beor was Balaam's father. See how you translated this in Numbers 22:5.

This idiom means he sees and understands clearly. (See: rc://en/ta/man/translate/figs-idiom)