He said: "If he decides to give the ball to another player, I cannot go onto the pitch to say no or I'll get a red card.
"He is a specialist, shooting really well, but it is a decision on the pitch depending on the circumstances.
"It is about who is on the pitch. I could say 1, 2, 3, like in Paris (Saint-Germain) with Neymar, (Lionel) Messi and Sergio Ramos.
"But after between them they can say, no you, me, or them. "
On Palmer's overall influence, Pochettino said: "From day one, he took responsibility in penalties and in the game. You can see that when the team is struggling, they give the ball to him.
It's very positive for the team and him to play games that he didn't play at Manchester City.
"It's obvious that we are happy with him. But as a collective, he can not be happy. He is, of course, disappointed."