I am intetested to place sponsored links like taboola on my forum I looked at their website and it seems they meant that I place my ad with them to be shown on other sites. How can I have the opposite way just like digitalpoint has their ads here?
Not if you use them as a publishers. They have a link there that says Monetize Content which can only mean one thing. By the way check out their traffic requirements for publishers, they do not deal with small websites. I am not sure what the exact requirements are but it's in tens of thousands in daily unique visits, I believe.
Use https://www.revcontent.com. If you are accepted, their system allows for more flexibility on choosing what content you show (if you want only your website for example or others).