The Salesforce integration enables the following:
Import Salesforce data to Gong: enables Gong to associate your CRM data with Gong conversations, give additional context for deals, allow you to search conversations according to Salesforce data.
Export Gong data to Salesforce: enables you to export your Gong data as Salesforce tasks and if you install the Gong for Salesforce app, in the Gong conversation object.
Update CRM data directly in Gong: enables reps to make changes to CRM data in Gong which is then synced with Salesforce.
Note:
You must set up the Salesforce integration if you want to provision your Gong users from Salesforce. See Connect Gong to Salesforce and Provision team members from Salesforce.