Hey there @snips26! Welcome to the community! So decals decide to render or not based on their screen size. If they are small enough, they begin to fade out. However if you want to manipulate this, you’ll have to play with Fade Screen Size in the decal’s details. For reference, if you set it to 0, it will always render at any distance.
For decals you’re generating fresh, you could set the screen size fade a bit like this:
Let me know if you have any questions!