Hi,
I created a flow with a approval flow with two approvals.
It's working without apply to each function.
1. When a file is created or modified
Condition:
If this column is null, it will send email
Else, start approval 1(Is Modified condition is used to avoid duplicate email)
2. Approval 1
Send email notification > Apply to each (Get approval response date and response comment and update the file in share point)
3. Approval 2
Same as above
This flow is working until approval 1 - apply to each, but does not sent email to second approval.

Thank you.