Explanation
The System Admin can use the following Lead features for Intelligent Need-Based Referrals:
Lead Routing, which is a feature that allows users to distribute leads to the right users or queues based on criteria such as lead source, industry, or product interest.
Lead Assignment Rules, which are rules that specify how to assign leads to users or queues when they are created manually, captured from the web, or imported via Data Import Wizard.
Einstein Lead Scoring, which is a feature that uses artificial intelligence to analyze historical data and predict how likely a lead is to convert. Einstein Lead Scoring assigns a score and an insight to each lead, which can help users prioritize and follow up on the most promising leads.

Explanation
The following records support Document Checklist Items out of the box in Financial Services Cloud:
Account: An Account is a record that represents a person or an organization that has a business relationship with your company. You can use Document Checklist Items to request and track documents from your account holders, such as identity proofs, tax forms, or contracts.
Residential Loan Application: A Residential Loan Application is a record that represents a request for a loan to purchase or refinance a residential property. You can use Document Checklist Items to request and track documents from your loan applicants, such as income statements, credit reports, or property appraisals.
Opportunity: An Opportunity is a record that represents a potential sale or deal for your products or services. You can use Document Checklist Items to request and track documents from your opportunity owners, such as proposals, quotes, or agreements. Verified References: : Salesforce Help Article 2 :
Salesforce Help Article 3 : Salesforce Help Article 4

To configure a custom field for reporting when relating two-person accounts to each other, the Financial Services Cloud consultant should configure the custom field on the Account Account Relationship object. The Account Account Relationship object is a junction object that links two accounts together and defines their relationship type and role. By configuring a custom field on the Account Account Relationship object, the consultant can capture additional information about how two-person accounts are related to each other and use it for reporting purposes.