You can access or login from any computer in any where in the world.
Every user must have unique username to login to Travel CEO software, So, If your company has only one email id with multiple sales employee then its no problem at all.
You can create multiple users with same email ID. But user name will be unique for each user. You need to enter Username & Email ID to login to Travel CEO.
Yes. You just need to enter your company details, Logo, Contact Details. This will be displayed in your Invoice, Booking voucher & etc.