How can I make an offer in AEM?
Does AEM need the 'Adobe Campaign' or 'Adobe Target' to do so?
Can AEM deliver an offer itself?
See the product docs for this use case here: Creating and Managing Offers
how can I add components to an offer?
how can I active an offer?
Do you find the documentation missing information required to work with Offers?
It says 'Add components to the offer',but it do not show how-to-do.
And I want to know how I can active or inactive an offer in AEM?
I have asked the doc team to look here. You are correct - details like that must be documented.
I have made a short video on how to add components to an offer. This shows you How To add components to an existing offer: