The company has many complex processes that are burdensome and hinder daily activity. This is only made more difficult by the sheer amount of information that an account executive must learn due to the number of diverse technology that they must be prepared to discuss with their customers.
The pay, although respectable, is less competitive than other companies who offer as much as 50% more salary and OTE. Commission is relative to a seller's percentage to quota attainment, not their gross sales. This means that a seller could outperform a previous year by millions of dollars in sales, but if the quota is too high, they will make less than previous years where a lower quota was attained.
Advancing within the company may not necessarily be determined by ability, but often will be influenced by internal politics.