Explanation
Setting up communication channel layouts in the object manager to use Insert Article into Social post is a solution that can enable article insertion into social interactions in Lightning Knowledge. Communication channel layouts allow administrators to customize how articles appear in different channels, such as email, chat, or social media. Insert Article into Social post is an action that allows agents to insert articles into social posts using Social Customer Service. Verified References: :
https://help.salesforce.com/s/articleView?id=sf.knowledge_communication_channel_layouts.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.knowledge_insert_article_content_email.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.social_customer_service_overview.htm&type=5