Managing client access and permissions in a client portal involves setting up user roles and access controls to ensure that clients and team members only have access to the information relevant to them. Most client portals allow you to define different levels of access for various users. For example, you can restrict clients to view-only access for certain documents while granting full editing rights to your team members. Some portals also offer features like document version tracking and audit trails, which provide visibility into who accessed or modified a document and when. This helps maintain data integrity and security while ensuring that everyone has the information they need to perform their tasks.