Teamwork for Google Sheets will need access to your Google account
This will allow Teamwork for Google Sheets to :
See, edit, create, and delete all of your Google Drive files See, edit, create, and delete all your Google Sheets spreadsheets Display and run third-party web content in prompts and sidebars inside Google applications Connect to an external service See your primary Google Account email address See your personal info, including any personal info you've made publicly available