No – I’m afraid not. Using our service does not exempt you from any copyright restrictions you’d normally have to adhere to when sharing screenshots of websites with your clients. Here is the detailed bit from our T&Cs:

THIRD PARTY INTELLECTUAL PROPERTY:
You shall take sole responsibility for your proper and lawful usage of these third-party materials, including identifying and obtaining any requisite third party licences at your sole cost and expense. You agree to comply with the reasonable directions of CoverageBook.com and/or relevant third parties regarding the usage of third party intellectual property.