There are a 2 ways that you can bulk select features:
Select all features / all line features / all polygons / all points / all photos
Select all feature type with the same assigned use. e.g. all tenancy boundaries, or all permanent grasslands
Select all features / all line features / all polygons / all points / all photos
To bulk select all features, click the 3 vertical dots next to the plan name, then click Select all
A pop-up will then appear that gives you the option to select all or all of a certain feature type.
Once selected you can then do bulk actions such as turn on a label, or add an attribute.
Select all feature type with the same assigned use. e.g. all tenancy boundaries, or all permanent grasslands
The second way to bulk select features is to select all features with the same assigned use. To to this simply right click on the feature that you want to select-all. In the tool bar that appears then click Select feature type
If, for example, you right click on a permanent grassland, then click 'Select-feature type', all the permanent grasslands in that plan will then be selected
With all the feature selected you can then bulk change uses, switch on annotations, change styling, delete etc.