Facebook, Twitter, Pinterest, LinkedIn, and WhatsApp (only for mobile devices) support active share. They allow you to share a photo or video from another website, that is why their share button is directly available in your award page. You just need to use those button to share them, and can be done in a matter of seconds.
Instagram is a passive social media when it comes to share anything other than the images. It simply means, they currently don’t allow you to share a photo or video from another website – you can only upload photos/videos directly from your mobile devices.
Sharing the link of your award photographs cannot be done directly. You can either put that link of your Light & Composition University photographer’s profile as your website link in your Instagram profile, or put each of the award photograph link there. Do make the Photo story in Instagram with each of your award photographs.
Alternatively you can share those links by using direct message or as a reply of a comment in Instagram. However, please ask them first that do they want to visit your awarded page in an university website and leave a review there or not. If the response is affirmative, you may only then can share your award link with them, else Instagram system may count it as spam if you share the same link with many people and may block your direct message feature for a certain number of days.