Sim textures are definitely better in the pro. That is a fact. It was added in on a patch. The article I linked earlier will confirm what month it was for anyone wanting to check the patch notes where the devs referenced it.
On my pro in my 4K tv the game looks great. I play on the pc and even on our gaming rigs with excellent graphics cards there’s not a huge world of difference between them. Assuming you aren’t using lighting mods or reshade to make the pc game look better. But the sims 4 is not a graphically demanding game. There are many, many better looking and better performing games out there for console. I don’t see why the devs would lie about the graphics settings.