Apple does not require you to use your personal ID on your company laptop, but they do require you to use a [email protected] email for an iCloud account (only really needed for Find My Mac, but you’re allowed to use other iCloud features if desired). Many people for expediency just use their personal account, but after various high profile issues in the news many have realized it’s worth the hassle of creating a second account (e.g. [email protected]).