No, any of your accounts should be able to see all communities you might wish to join.
There’s an exception to that, but it’s not worth worrying about for ages. This may be less likely, as you’re on ani.social and that should be the instance best aligned with your interests; once you’re used to Lemmy, you may find that a community you want is on an instance that isn’t federated with your instance. In that case it’s easy to export your profile and move.
No, any of your accounts should be able to see all communities you might wish to join.
There’s an exception to that, but it’s not worth worrying about for ages. This may be less likely, as you’re on ani.social and that should be the instance best aligned with your interests; once you’re used to Lemmy, you may find that a community you want is on an instance that isn’t federated with your instance. In that case it’s easy to export your profile and move.