Make changes in fleet management code canyon script -- 2

Job ID: 33992022

Budget: $10 – $50 USD

I am using this script https://codecanyon.net/item/fleet-manager/20051839
I need to make some changes
Need to create a hierarchy for login access. Only the higher level can see the lower level
My Users->Company-->Managers-->Drivers
My Users Can See Every company every manager every driver
The company can see Managers and Drivers for that company

Ex. Company A has 3 managers and 3 drivers. If you're logged in as the company, you can see the 3 managers' and 3 drivers' data. If you are logged in as a manager, the driver must be assigned to that manager in order for him to have access to data. Drivers can only see the driver information for the vehicle they are assigned to. (THIS IS VERY IMPORTANT TO GET CORRECT)

So you have to make 2 new roles, it's not a big task...please bid if you already have worked with this script
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