I am both a psychologist and an adult HF aspie (folks say I have one foot in and one foot out - lol). Luckily my niche interest is human behavior and cognition.
That said, a 30 point difference in verbal versus performance IQ is not typical of most children. Of more relevance (in my opinion) is whether it is a difference between 70 (probable deficits) and 100 (average), or less concerning 100 (average) and 130 (above average)...
Given his age, you should also be aware that cognitive abilities are still changing, and can vary quite a bit up through age 8-9, so this may be a valid score for current functioning, but may not be a reliable predictor of future performance.
You really need to ask the psych who did the assessment for more qualitative information.
With regard to ADOS, again, this is just one measure. The most critical aspects are to focus on strengths and deficits, as those let you celebrate the great stuff while also figuring out what kinds of skills you need to target for direct instruction, modeling, play, scaffolding, or whatever vocabulary you want to use to say that you are directly teaching skills.,