Yes — use the Controls Transparency slider in Scoreboard Settings → Game Clock. Drag it toward the minimum to make the on-screen score and clock controls semi-transparent so they draw less visual attention in the camera view. The minimum value keeps controls faintly visible so they remain tappable.
The transparency setting is saved in your Scoreboard Profile and persists across app relaunches.
Want to hide controls entirely? Connect a Scoreboard Remote and enable Settings → Scoreboard Remote → Hide Controls When Connected — this removes the on-screen controls from the camera device completely while the Remote is connected, giving the camera operator a completely clean view.