The Syriac Apocalypse of Daniel identifies the Son of Man with Jesus Christ.
Syriac Apocalypse of Daniel 38 in Matthias Henze, The Syriac Apocalypse of Daniel (Studien und Texte zu Antike und Christentum 11; Tübingen: Mohr Siebeck, 2001), 114-16
Then will be coming countless peoples, nations,
and tribes from every place and from every mountain.
They will be holding in their hands branches of palm trees and of olie trees
and of cypresses and beautiful blossoms
and delightful flowers and sweet-smelling reeds.
They will be crying out and parsing the great King of the ages.
All peoples and nations and kings and nobles will worship him,
and all flesh will worship and sing praises at the gates of daughter Zion;
also, by the light of his splendor they will gather together
The holy cherub he will set up on Mount Zion
and the throne of righteousness in the New Jerusalem.
The great Christ, the Son of Man, will sit on it,
and will judge the peoples in righteousness and the nations in uprightenss.
He will hold [dominion] and exercise kingship for ever and ever, and throughout
generations.
All the ends of the earth will worship him.
A mighty fire will be around Zion,
sparks of flames will be blazing around Jerusalem.
And there will gather together all peoples and nations
and all the just and righteous
and all who fear the name of the Mighty Lord.