How does Milton’s portrayal of Satan evolve across the poem?…

Questions

Hоw dоes Miltоn's portrаyаl of Sаtan evolve across the poem? Are there moments where he is portrayed as sympathetic or relatable? If so, why might Milton have chosen to depict Satan in this way? If not, why do you suppose some readers and scholars have claimed that Milton's portrayal of Satan is more sympathetic? Support this and all open-ended questions with specific evidence.