Unless you have signed any personal guarantees, you as a director (and shareholder) will not liable for company debts. This is reflected in the word limited in limited company, which here means limited liability of its directors and shareholders.
The company’s debts will be repaid over time through the CVA.
There is no need to worry about directors’ disqualification because this procedure only applies when a company goes into liquidation or administration. Whilst ever a company is in a CVA it cannot be forced into liquidation or administration.