Here, one can "view and edit" the company and personal settings. Although, "company settings" will be accessed only by "admins" while "personal settings" will be accessed by "all users".
You can edit and add pipelines, activities, source type as per your requirement.
Note - Contact types, activity types, loss reasons, lead status, and sources can't be more than 15 including system-generated options.
Data Management -
Here you can easily manage and export your interface 365 data to an excel file.