Someone who puts that kind of money down to buy a company is going to want to have a say in how it's run.
The second rule of buyouts is that everything will change in the second fiscal year. They won't tell you NOT to do something, they just won't give you any budget for it.
The first rule of buyouts is that the promises always come from someone who isn't in a position to back them up (like the old owner, or your boss's boss, who only have a single seat on the board between them).
Having been through multiple acquisitions of small companies by (much) larger ones... they ALWAYS say this. The person saying it might even believe it themselves.
But in a year's time that person will have moved on to the next acquisition and you will be reporting to a regular manager in the parent org who doesn't understand - and wouldn't care even if they did - why you are "special", why you should be treated differently or have more latitude or more perks or a different office than the regular staff. Then the change will happen overnight.
The second rule of buyouts is that everything will change in the second fiscal year. They won't tell you NOT to do something, they just won't give you any budget for it.
The first rule of buyouts is that the promises always come from someone who isn't in a position to back them up (like the old owner, or your boss's boss, who only have a single seat on the board between them).