You can tag people using the @username format in your caption for Threads, BlueSky, Instagram, YouTube and TikTok. The social media platform will convert it if the username is correct.
Tagging locations is not currently available.
For LinkedIn user/company tagging, while scheduling you can search the user/company to tag. More in the tutorial video here: https://www.youtube.com/watch?v=vsXW0xo_kpk
