It depends. You need to look into the licensing terms and decide if you are more like doing an advertizing poster or a poster for sale (merchandizing), even if it is a give away...
There is no difference in the licensing terms for non-profit and for-profit organizations.
The free version of an asset is a standard license, not an extended.
Look here for more information on licensing: https://community.adobe.com/t5/stock/links-for-licensing-terms/td-p/11366788 (Disclaimer: As always with licensing, this is my interpretation of the rules. I think they are correct and advice is based reading and interpreting the licence terms and on fair use for both the buyer and the artist/stock company, but I cannot rule out that my interpretation is wrong. I'm not an Adobe employee).
Regards, Abambo Hard- and Software Engineer and Photographer.