Pros
Great coworkers. Potential to earn a lot of commission if you're a good salesperson. Occasionally you'll work with delightful clients on cool projects. Opportunities for advancement are there, many senior staff started as Publishing Specialists and the company is growing.
Cons
Base salary is poor and there is no room for negotiation (although it does increase yearly). Steep learning curve: many PSs will burn out and quit before the 6 month mark. Policies and procedures are constantly changing and not well documented. With 50+ clients, you will almost always feel like you're behind. Sales team constantly sells packages to rude, entitled, computer illiterate clients and you will have to deal with the fallout. Management constantly says that they do not tolerate abusive behavior from clients, but profit is usually prioritized over employee wellness.