Bit of background first: for most of my cycling life I have been riding various "mountain" bikes from lower/cheaper range, mostly in the city with occasional excursions to nearby forests, lakes and such.
My most recent bike was 29er Trekk Mamba with front suspension, but sadly it has been stolen 2 years ago. I wanted to get back into the cycling, so I thought this time I am going to give hybrid bike a go. Based on various articles, it seemed like it would fit my riding type. After long research, based on reviews I bought Specialized Men's Sirrus 2019 because it was praised in most of the articles I found.

Unfortunately after riding the first 2x 50km rides I found it very uncomfortable - specifically, I can feel every single bump of the road on my wrists, and obviously it is worse on non-tarmac surfaces.

Question is - what is the best way to mitigate some of it?

I was thinking about:

1. Changing tyres to something else? It currently has 700x32c stock tyres, pumped to 85 PSI - the label asks for 75-100. If that's the way - what type of tyres should I look for?
2. Installing suspension fork - is that good idea on a hybrid bike?
3. Just selling whole bike and buying something closer to MTB?

I would really appreciate any advice on what to do before I blow even more money on trying to get a comfortable yet light ride.

Apologies if this was already discussed, but I wasn't able to find anything relevant with a search.

thanks!