If you are feeding the HPW diet that requires you to add beepollen, honey and eggs to it, that is a good staple diet. You feed that, with 1 tbsp fruit and 1 tbsp veg each night.
You can offer the pellets in the cage as daytime treats, but they are not necessary. They shouldn't be a large part of your gliders diet as they're hard to digest and don't provide the nutrients they need.