Thanks for reaching out; we understand your concern and are here to help.
Which Lightroom version are you using? Where are the images located?
Have you shared the album with your colleagues? Has everyone logged in with their registered email ID?
Please check this article for the steps to collaborate your work with the team: https://helpx.adobe.com/lightroom-cc/using/save-share-photos.html.
Let us know if this helps.