Sending an Invoice to a Client should be within Beeswax as it ensures you keep a record of who it was sent to, what was said (the message) and when it was sent.
Locate the Invoice you wish to Send.
Click here for more information about how to search for a Quote, Invoice and Expense.
From the Page Tools, select the Envelope icon. This will bring up a submenu with the following options:
A sidebar window will appear where you will be able to select who you would like to send the Quote to as well as add a message.
If you wish to preview a the Invoice before sending it, you can do so by using the Preview option under the Page Tools (Eye Icon).