Hi @T.Ferreira ,
It sounds like you have been given 30 day trial licenses, which means after the 30 days you will need to purchase the products you are using. Only the Autodesk Docs functionality will remain which means you will lose access to all the other functionality.
To regain access to all the functionality you will need to purchase Autodesk Build (Cost is included), BIM Collaborate or BIM Collaborate Pro, and Autodesk Takeoff. The question would be are do use and require access to all the products?
Autodesk Docs access comes with every license you buy. ie. buy Autodesk Build it includes Autodesk Docs, the same applies to BIM Collaborate or BIM Collaborate Pro, and Autodesk Takeoff.
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Gareth Spencer
BIM Technical Consultant | Man and Machine (UK)