Ambulant Toilets are designed to cater to individuals with mild mobility impairments or those who may not require the full features of a dedicated accessible toilet.
Features include: 

Ambulant toilets are suitable for people with temporary disabilities, elderly individuals, or those who can manage with some assistance but do not require the full features of an accessible toilet.

Accessible Toilets also known as disabled toilets are designed for individuals with more significant mobility impairments or those who use mobility aids such as wheelchairs.
Features include:

Accessible toilets are essential for individuals with disabilities who require a more significant level of assistance or space to manoeuver, including wheelchair users.

Note: Always consult the latest version of the standard for the most current specifications.