To remove ClickSambo's manager access in your Google Ads account:
Sign in to Google Ads (ads.google.com).
Navigate to "Admin" > "Account access and security."
Go to the "Managers" tab.
Locate "ClickSambo" in the list of managers.
Click the "Remove" button or trash can icon next to its entry.
Confirm the removal.
This action will remove ClickSambo's manager access to your Google Ads account.