InServiceNow Knowledge Management, access towho can write articlesin aknowledge baseis controlled using the"Can Contribute"permission.
The"Can Contribute"tab allows administrators to specifywhich users or groups can create, edit, and manage knowledge articleswithin a specific knowledge base.
For example:
If a user isgranted "Can Contribute" access, they canwrite and editknowledge articles.
If a useronly has "Can Read" access, they canviewarticles butcannotcreate or modify them.
A). Can Read-Defines whocan viewknowledge articles, butnot who can writethem.
B). Can Write-No such tab exists in ServiceNow knowledge base settings. Instead, the correct term is"Can Contribute." D). Can Author-"Can Author" is not an official permission setting in ServiceNow. The correct term is"Can Contribute." E). Cannot Author-No such option exists in ServiceNow Knowledge Base permissions.
Reference:ServiceNow CSA Documentation - Knowledge Base Permissions
ServiceNow Product Documentation - Managing Knowledge Contributors(https://docs.servicenow.com)