I’ve been blocked from using Facebook, because of ‘misuse’ of features on Facebook, such as adding friends, sharing links, and sending messages.

According to Facebook,

… managing multiple accounts is a serious violation of Facebook’s Terms of Use. If we determine that an individual has more than one account, we reserve the right to terminate all of their accounts.
(source)

On the topic of business profiles on Facebook, they also say,

Maintaining multiple accounts, regardless of the purpose, is a violation of Facebook’s Terms of Use. If you already have a personal account, then we cannot allow you to create business accounts for any reason. You can manage all the Pages and Socials Ads that you create on your personal account.
(source)

Which means users are supposed to create all Facebook pages, administer them, and manage them from a single user’s individual account.

However, if I use my personal Facebook account to administrate multiple business Facebook pages, which includes:

• Sending messages to individual members Facebook pages, to obtain feedback, answer their questions, or conduct audits for contests
• Sharing links and media content on various public pages, including my own Facebook profile, and through Facebook message (to direct Facebook page users to a source to obtain information)