configuring Segment.io and GA4

Need help configuring Segment.io events and button clicks to correctly appear as events/conversions in GA4.
Also need help ensuring all events are in GA4:
conversions from Google Ads
calls from calltracking metrics
free trial button clicks (free-trial-hero, free-trial-nav, free-trial-footer etc.)
Pageview
Subscription created
Login
Signup
Onboarding completed
Login
Intercom chat event
Need help configuring calltracking metrics and ensuring working with Segment and Google Ads