At around five feet, eight inches tall, the 19-year-old Belgian is dwarfed by the rest of City's squad.
But Pulis told The Sentinel: "I'm more concerned about the fact he hasn't played any football.
"If we think they are good enough, then we should be getting them out playing football.
"That's why we got him out on loan to Walsall in January and he did brilliantly there. But until that point he was struggling in our reserve games.
"It just shows that the quicker we can get them out into league football the better because it either makes or breaks them."