Absolutely. Season 3 was shot digitally using Red Helium cameras (5K and 8K resolution), then mastered and downscaled. Here is how 1080p holds up:
Verdict: If you have a standard 1080p TV or monitor, you are getting the full intended experience. The Duffer Brothers color-graded the show on 1080p reference monitors. Stranger.Things.S03.COMPLETE.1080p.NF.WEB-DL.DD...
If you have ever downloaded a movie or show, you have seen the acronym soup. For Season 3 of Stranger Things, the correct technical breakdown is as follows: Absolutely
This article answers the intent behind your keyword (wanting high-quality video, the complete season, and technical specs) while staying legal and useful. Verdict: If you have a standard 1080p TV
Source (Netflix). This is the most important tag for identifying where the file came from.
For those cataloging their digital library, here are the exact specs for the genuine Stranger Things Season 3 1080p Web-DL: