There are two main reasons why these options may not appear in the proposal. If neither of these apply to your case, please contact us for assistance.
Situation 1.
1. If you have the options enabled
2. Make sure to send the proposal
If the proposals are not sent, these options will no be available to your customers.
Situation 2
1. If you have already sent the proposal and the options are still unavailable,...
2. Make sure you have the options enabled over here
3. If you didn't enable the options, you can turn them on
Once you turn them on, you won't be able to turn them off after