What is Vtiger Social's Instagram?

You can integrate your Instagram account with Vtiger CRM with the Social module.
The Social module is the social media management module built within the CRM. You can integrate and manage your social media platforms such as Facebook, Google, Instagram, and Twitter simultaneously from the Social module. 
The Social module gives you a dashboard from where you can post, comment, reply, etc., just as you would from a social media platform.