Can he give fatwas based on what he hears or reads?

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Is the testimony of a person who raises pigeons acceptable?
Religious titles in Islam and Christianity

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Related Answers:
What is the madhhab followed when answering questions submitted to the site?
What is the meaning of “the text of ‘aqeedah”?
Daa’iyah asking about books on the topic of takfeer, implementation of sharee’ah and seeking the help of the Prophet (peace and blessings of Allaah be upon him)
Is the testimony of a person who raises pigeons acceptable?
Religious titles in Islam and Christianity

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