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I'm on cloud, so I can't speak from experience (I have these options in my community), but based on Step 1: Learn What's New in Jive 9 and Step 2: Learn What's Changed from Jive 7 & 8 to Jive 9 it looks like these features were not available in Jive 8, but have been added in 9. I believe if/when you upgrade to 9, you'll receive these updates.
The full-width hero banner and HTML tiles are new for Jive 9 (or Cloud)
There's not much you can do with the news page in J8 other than what you see in your screen shot - I'm on 8.0.4 hosted and mine looks the same. For other pages you can try using a document viewer tile. There's a good example here: Banner Images - Tips and Tricks
I've tried creating basic custom view tiles to serve up HTML in J8. It works, but definitely not as simple as using an out of the box tile. I just followed the steps in the Jive Developers space.