Permission sets are a feature that allows you to grant additional permissions to users without changing their profiles. You can use permission sets to control Knowledge article visibility by granting users access to specific article types and actions. For example, you can create a permission set that allows users to view only certain article types and assign it to your customer portal users.

This option allows UC to customize the self-registration process and create person accounts programmatically using Apex code. The standard self-registration configuration does not support person accounts and requires an existing business account to associate the new users with. Restricting the account record type access for the Site Guest User does not affect the self-registration process and may cause errors.

To complete self-registration in NTO's Experience site without creating a placeholder account, NTO needs to take two steps:
Ensure that the Account field is empty in the registration section. This will allow NTO to create individual customers without associating them with an account.
Contact Sales customer Support to enable Person Accounts. Person Accounts are a feature that allows NTO to store information about individual customers in a single record, instead of using separate account and contact records. NTO needs to contact Salesforce Customer Support to enable Person Accounts in its org.

To make Knowledge articles available to site users, you need to map topics to data categories and enable the "Share on Sites" setting. Topics are labels that you can assign to articles to make them easier to find and organize. Data categories are a way of classifying articles based on a predefined hierarchy. You can map topics to data categories, so that when you assign a topic to an article, it automatically inherits the data category visibility settings. The "Share on Sites" setting allows you to share articles with public users on your site.

This option allows UC to give retail store managers access to the records owned by their peers and subordinates. Super User access is a feature that grants community users access to records that are owned by users who have the same role or a role below them in the role hierarchy. Super User access can be enabled for partner users or customer users with Customer Community Plus or Partner Community licenses2