What is the default approver option?

Let the submitter choose manually.

What is the approvers per step?

Up to 25 users, queues or related users.

First response, or unanimous approval.

Modify All Data, or Modify All Records on the object.

Only admins can recall requests.

Approval processes from submission to final action | Platform Administrator Study Guide

Fact	Detail	Source
Permission to build	Customize Application	Approval Wizard (opens in a new tab)
Default approver option	Let the submitter choose manually	Assigned Approvers (opens in a new tab)
Approvers per step	Up to 25 users, queues or related users	Assigned Approvers (opens in a new tab)
Multiple approvers	First response, or unanimous approval	Assigned Approvers (opens in a new tab)
Default record editability	Administrators ONLY	Record Editability (opens in a new tab)
Approval admins	Modify All Data, or Modify All Records on the object	Managing Approval Processes (opens in a new tab)
Recall off	Only admins can recall requests	Approval Submitters (opens in a new tab)
"reject record" for unmatched step criteria	First step only	Approval Step Criteria (opens in a new tab)
Action types	Task, Email Alert, Field Update, Outbound Message	Approval Actions (opens in a new tab)
Action groups	Initial submission, step, final approval, final rejection, recall	Approval Actions (opens in a new tab)
Adding steps	Only while the process is inactive	Managing Approval Processes (opens in a new tab)
Deleting a process	Must be inactive first	Managing Approval Processes (opens in a new tab)