It's always strange to me to see how many people don't seem to know how big companies operate.
The fact LinkedIn has 12K employees or billions in revenue is not relevant whatsoever, because Emma is line manager of a 10 person autonomous team with a mostly fixed budget, and likely only has a $250ish a month discretionary spend fund that she already has mostly exhausted.
She also knows she will have to spend 3+ months getting internal approvals from the CIO and BISO and CISO offices to use your tool. That's more work on her end than it will be on you, trust me.
And if she succeeds, your tool will then be exposed to all of the other autonomous development teams at that company. Many of whom might also try you out, because now that she did all the hard work to get those approvals it is easier for them to try.
And then if you're lucky, after a year or two of these autonomous teams using it, maybe enough teams end up using it that the enterprise decides to negotiate a company wide license.
This is how you enter an enterprise. Slow and steady, with internal champions, over a period of time.
Or, say no. It's your company.