An administrator is creating a custom Opportunity record page for Sales users for new logo opportunities. They need to control what fields display on the record when a sales user is viewing the opportunity.
Where should the administrator edit what fields display in the details of the record page?

users at Northern Trail Outfitters have a lot of fields on their new account records because they track their accounts and competitors on the Account object. For accounts created for customers, they need access to different fields than the accounts used to track competitors. For partner accounts, they need different values in the Industry field.
What should the administrator use to resolve the issues?

Cloud Kicks (CK) has a backup team of employees that helps short-staffed departments. These users could be working with sales one day and service the next. CK is implementing new Lightning record pages for each department so that they view records In a way that makes sense for each department.
How should the administrator ensure this Is configured correctly?

When should an administrator apply a permission set to a user or group of users versus configuring the user's profile with the necessary access?

Cloud Kicks has a Process Builder which should trigger upon a status change from on approval process. The Process Builder triggers if the status is updated manually, but not as a result or the approval process update.
What could the administrator do to troubleshoot the issue?