To Manage Accounts in the Magento 2 Admin panel,

• Go to the Magento 2 Admin panel.
• On the left navigation bar, click the Reverb menu.
• On the right side, click on Manage Accounts
  
  
• Manage Account Page appears as shown below:
  

Add New Account,

• To add a new account, click on the Add New Account button on the right side.
  
• After clicking on add new account, the following tab opens:
  
• Fill the sections under Account Information:
  
  • In Account Code, enter any code as per your choice as it is for the internal use only. (Note: You cannot use space and special characters in the Account Code.)
  • In Account Name, enter the name for the Account.
  • In the Store View, select the type of store view from the following list you want to send to Reverb.
    
  • In Account Status, you can Enable or Disable the status of the account.
  • In Account Status, you can select the store by selecting Live or Sandbox.
  • In Access Token, enter the token you had fetched earlier.
    *Note: To fetch the token refer the link here

To perform Actions,

To Delete, Disable or Enable account to perform the actions in the Manage Accounts page on the left side.

• Delete an Account: To delete an account select the account(s) you want to delete and then click on Delete option from the Actions menu. The selected account will be deleted.
  
  
• Disable Account: To disable an account select the account(s) you want to disable and then click on Disable option from the Actions menu. The selected account will be disabled.
  
• Enable Account: To enable an account select the account(s) you want to enable and then click on Enable option from the Actions menu. The selected account will be enabled.