Lurker

A person who consumes all of someone else's digital content in the form of social media posts, blogs, forums, livestreams, etc. but never makes their presence known by commenting, liking , sharing or reaching out via DM.

As a VERB ; Lurking -
Following and reading all of the posting activity of an account/online community/website for a considerable length of time without ever engaging with the account or interact with posts.

Jo: Dear hiring manager at Peachtree Versatile Assistants,
I am excited to have finally made the decision to apply for a VA position with your company. You see, I've actually been a Indeed/LinkedIn lurker of Peachtree VA's postings for quite sometime. Today I am taking the plunge and making my pitch about why and how I will add value to both the company and clients...

Hiring manager at Peachtree VA: Hello Jo, we are happy to hear from you and would like to move forward with the process by scheduling a conversation to discuss your potential future with the company. Better late than never!