Update: I just solved my own question : ) Just add the website to the trusted or blocked websites section. This should override the blocked Instagram, FB, Messenger bundle on the Social Media section.
LadyFireHorse, we are happy to see that you have resolved the website blocking concern for Smart Family! Here is a helpful link with additional steps on how to use this feature https://vz.to/2rZocr8. Thank you for being a valued part of Verizon!