Do I need to use SKAdNetwork?

I'm pretty confused about the whole SKAdNetwork IDFA situation. I'm a developer with apps. I use Facebook ads and Google's UAC ads so that people can discover my apps.

I don't have any ads inside of my apps, although I do have a couple of affiliate links.

I'm not going to show someone a pop-up that aggressively tells them that I'm "Tracking them across multiple websites and apps I do not own" because I just want to attribute installs to my ad campaigns.

1. Does not showing this pop-up mean I am cutting off Google and Facebook ads from being able to count an install from an ad campaign? I understand installs will now be counted 24-64 hours later.

2. Do I need to do any additional setup for Facebook and Google to continue counting installs? Or is this on the ad networks I use to put in their SDKs?

3. Is there a link or guide somewhere? I feel like I've looked everywhere and all I found was this from Apple:

https://developer.apple.com/documentation/storekit/skadnetwork

Which doesn't tell me much for my use case and answers none of my questions.

Thanks