Hi man!
See this link: https://www.instructables.com/id/Share-a-Model-in-Fusion-360-using-a-Public-Link/
If you have a commercial\startup license use a team hub. Then invite members to projects and make them a team member and they should have access to the team hub assets folder.
Mark
You might also need to set them as an Editor for projects as well.
Mark Hughes
Owner, Hughes Tooling
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