Social platforms have gotten aggressive about detecting anyone managing multiple accounts from one computer. They assume you're up to something shady even when it's literally your job description. You should check out articles on how to manage multiple online accounts on one device here:
https://gologin.com/blog/multiple-accounting/ . They break down how antidetect browsers let you run separate sessions for each social media profile so the platforms don't link them together. Saves you from those random account bans and makes switching between profiles actually manageable when you're dealing with this many clients.