Basically, a leaf vacuum is suitable for any surface for the removal of leaves and waste. Since most devices are portable, you can transport them to wherever you want to work with your vacuum. However, portable leaf vacuums can also be used on almost any surface, mainly due to their large wheels.
Depending on what you want to use the vacuum for, you will find different models with different focuses. For example, there are leaf vacuums that are primarily designed for work in rock gardens and gravel beds.
In general, most leaf vacuums are suitable for areas in your garden, in the yard, in front of the house as well as for parks, playgrounds and sports fields or paved surfaces. Leaf vacuums are therefore flexible to use and you are not tied to a specific location - especially with battery-powered devices.