Most of a feed is noise, and you need the two things that are not
A target account says a good deal about itself in public. The company page announces the site it opened and the product it shipped. The head of engineering writes about the migration that is eating the team's year. The finance director mentions closing the books two people short. Any of these changes what you would say on a call.
Nobody reads it. Forty accounts with three leaders each is a lot of feeds, and most of every feed is awards, anniversaries and reshared articles. So the call opens with "how are things", and the one post that would have made it specific goes unused.
This play reads the feeds for a list you have already chosen and hands you what is left once the noise is gone. It is preparation, not copy. For a first line per person on a campaign list, see write one sourced opening line per person.
What you get back
One short block per account: two or three points worth raising, each with the post it came from, the date, who posted it, and a line on why it matters to the roles you recruit. The posts sit underneath, so you can read the original before you rely on it. Accounts and leaders with nothing useful are listed as read, so silence is a result and not a gap. No messages are drafted and nothing is sent.
Variations worth knowing
Company pages only. Skip the leaders and read the company feeds. It is the smallest run, and a reasonable first pass over a long list.
One account, in depth. Before an important meeting, a feed can be walked further back, a page at a time. Every page is another charge, so say how far back to go.
Alongside the rest of the research. Posts are one input. For funding, news, open roles and who leads the function, see walk into a business development call with a one-page account brief.
Where this goes wrong
A guessed handle. The handle for acme and the handle for a similarly named company are different accounts, and the wrong one is charged like the right one. Confirm the page when the agent asks.
A reshare read as their view. A leader who shares an article did not write it. Attributing someone else's words to them on a call is worse than saying nothing.
Quiet accounts. Many leaders never post at all. A thin feed costs the same as a full one. It is a true answer about that account, and a reason to cap the list.
Marketing copy mistaken for intent. The company page is written by a marketing team, and a post about culture is not a hiring plan. What a leader writes about their own team carries more weight.
Reciting the post. Telling someone what they posted is awkward. Use it to choose the question and let them tell you.