If you have feedback or suggestions, use the Crash Bandicoot 4: It's About Time feedback form

When I click the " If you have feedback or suggestions, use the Crash Bandicoot 4: It’s About Time feedback form" button

The link is broken and I cannot send my feedback for the game.

After clicking the link it just shows:
“You have already responded to this survey. Thank you again for your time.”
even if I have not made any response yet.

I just wanted to request that Blizzard would add the achievements that comes along with the game to be also present in the PC version.

About this, you can use the feedback link of this article of Activision Support site:
https://support.activision.com/crash-bandicoot-4/articles/crash-bandicoot-4-feedback-and-bug-reporting