I'm not the Admin and would like to point them in the right direction. Can you share any articles on what needs to be set up so that a sales rep can add a contact/lead to a Pardot list that I have marked to be shown in CRM?
4 permissions exist in Account Engagement (Note that these are ordered from the highest permission to lowest):
Administrator -> Full access to Account Engagement.
Marketing -> Not full access but has access to Emails, Campaigns etc.
Sales Manager -> Access to Reporting + additional configurations.
Sales -> Access to Reporting and conversions.
You can read more here - https://resources.docs.salesforce.com/latest/latest/en-us/sfdc/pdf/pardot_implementation_guide.pdf
You can see the specifics for each Role by going to Account Engagement -> Account Engagement Settings -> User Management -> Roles
