NiceJob does not allow sending out bulk review invites, this protects your hard-earned reviews!
We are very careful in meeting 3rd party review sites' terms of service to ensure your reputation is built up and maintained. The last thing we want is for a happy customer's review to be removed!
Google's terms of service does not allow bulk sending and may reject reviews come from bulk sending systems. Even though it could save you time, it is seen as mass solicitation and can jeopardize your reviews. Here's the link to the relevant Google Term of Service.
The best strategy is to upload your contacts (see linked help article), then invite a few each day. Doing it manually is still a "one click" process, as shown below.
You simply find the contact you want to request a review from and click the "Invite" button!