PS5 Link to Steam / support pack

Hi how this work for PS5 players, when I buy support packs on PS5 and I got link account with steam is that true my support pack is not visible on PC with that link steam account??

That will be bit not fair i think dont see any skins and stash tabs, can I get answer about my qestion becouse I dont want spend again my $$ to have this stuff. I'm shure if that's true what I say will be sorted on future update ?