Here's what it output as cleaned up text:

The Writing Tools work better than I expected and are available in almost every text field. Since most of us don't proofread before sending messages, Apple Intelligence Writing Tools help me quickly improve my writing before others read it.

What I wrote myself:

The writing tools are available almost everywhere & do a better job than I expected in cleaning up and making sentences more concise. Few of us read our own writing before we hit send or submit, and Apple Intelligence Writing Tools have been helpful in getting me to quickly improve what I write before I make someone else read it.