He was a Muslim; in 1685, he requested a copy of the Quran from Father Ferret, a French missionary serving in Champa.
[3] A Cham manuscript provides the following cryptic characterization of his reign: "Subsequently a man comparable to a sledge is seen, taking the Banis [Muslims] across there, having a size similar to a bronze hanrang [?].
"[5] After 1653, Champa paid tribute to the realm of the Vietnamese Nguyễn clan, Đàng Trong, but was still fully autonomous.
Champa came however into conflict with Vietnam after the death of the relatively inefficient Đàng Trong ruler Nguyễn Phúc Trăn (1691) and the accession of his adolescent son.
Po Saut aimed to gain back the Phan Rang region which had been lost to the Vietnamese Nguyễn lord in 1653.