Theophylact of Ohrid

Another also brought benefit, but to a lesser number. The one who follows the first receives a proportionate reward. But the one who brought no profit is condemned.

Commentary on Luke ↗

Bede

And another came, saying, "Lord, your mina has made five minas." This servant is of the group that was sent to evangelize the uncircumcised, to whom the Lord had granted one mina, that is, the same faith which was also entrusted to the circumcision, but this one made five minas, because he converted the Gentiles, who were previously enslaved by the senses of the body, to the grace of the evangelical faith.

On the Gospel of Luke ↗

Bonaventure

And another came saying, etc. After he has set forth the form of judgment concerning the order of preachers who labored faithfully in the conversion of the Jews, here secondly he sets forth concerning the order of preachers who were faithful in the conversion of the gentile peoples. Concerning which order two things are introduced, namely the faithfulness of ministry and the sublimity of reward. First, therefore, regarding the faithfulness of ministry, it says: And another came saying: Lord, your mina has made five minas. …

Commentary on Luke, Chapter 19 ↗