By default, all your company employees have full access to company knowledge bases.
You can configure access permissions to all the company knowledge bases or the particular ones. Go to Company > Knowledge base, click the cogwheel button > Access Permissions:
Add a new role:
Specify the role name and configure access permissions for this role. In addition to the standard permissions, you can decide whether the knowledge base will be available for placement in different sections.
Assign the added role to an employee or department:
Only the user with administrative rights can configure access permissions to the company knowledge bases.
Check if company knowledge bases access permissions can be configured on your plan. You can find all the information about Bitrix24 plans on the pricing page.
To configure access permissions to the workgroup (project) knowledge base, follow the instruction provided in this article - Workgroup knowledge bases access permissions.