This article explains why certain members are missing from the budget.
If a member does not accept their invitation in 90 days, their information will be removed to be in compliance with our data privacy policy. Therefore, the invited member will be removed from the budget. If the member wants to join again, just send them another invitation.
For more information or assistance, submit a support ticket to enterprise-support@edx.org, or reach out to your account manager (where applicable)