[DOCS] Add file size setting for Data Visualizer (elastic#64006)

docs/settings/ml-settings.asciidoc

@@ -8,7 +8,6 @@
 You do not need to configure any settings to use {kib} {ml-features}. They are
 enabled by default.
 
-[float]
 [[general-ml-settings-kb]]
 ==== General {ml} settings
 
@@ -19,3 +18,11 @@ If set to `false` in `kibana.yml`, the {ml} icon is hidden in this {kib}
 instance. If `xpack.ml.enabled` is set to `true` in `elasticsearch.yml`, however,
 you can still use the {ml} APIs. To disable {ml} entirely, see the
 {ref}/ml-settings.html[{es} {ml} settings].
+
+[[data-visualizer-settings]]
+==== {data-viz} settings
+
+`xpack.ml.file_data_visualizer.max_file_size`::
+Sets the file size limit when importing data in the {data-viz}. The default
+value is `100MB`. The highest supported value for this setting is `1GB`.
+

docs/user/ml/index.asciidoc

@@ -4,31 +4,31 @@
 
 [partintro]
 --
-As datasets increase in size and complexity, the human effort required to
+As data sets increase in size and complexity, the human effort required to
 inspect dashboards or maintain rules for spotting infrastructure problems,
 cyber attacks, or business issues becomes impractical. Elastic {ml-features}
 such as {anomaly-detect} and {oldetection} make it easier to notice suspicious
 activities with minimal human interference.
 
-If you have a basic license, you can use the *Data Visualizer* to learn more
-about your data. In particular, if your data is stored in {es} and contains a
-time field, you can use the *Data Visualizer* to identify possible fields for
-{anomaly-detect}:
+{kib} includes a free *{data-viz}* to learn more about your data. In particular,
+if your data is stored in {es} and contains a time field, you can use the
+*{data-viz}* to identify possible fields for {anomaly-detect}:
 
 [role="screenshot"]
-image::user/ml/images/ml-data-visualizer-sample.jpg[Data Visualizer for sample flight data]
+image::user/ml/images/ml-data-visualizer-sample.jpg[{data-viz} for sample flight data]
 
-experimental[] You can also upload a CSV, NDJSON, or log file (up to 100 MB in 
-size). The *Data Visualizer* identifies the file format and field mappings. You 
-can then optionally import that data into an {es} index.
+experimental[] You can also upload a CSV, NDJSON, or log file. The *{data-viz}*
+identifies the file format and field mappings. You can then optionally import
+that data into an {es} index. To change the default file size limit, see
+<<data-visualizer-settings>>.
 
-You need the following permissions to use the Data Visualizer with file upload:
+You need the following permissions to use the {data-viz} with file upload:
 
 * cluster privileges: `monitor`, `manage_ingest_pipelines`
 * index privileges: `read`, `manage`, `index`
 
 For more information, see {ref}/security-privileges.html[Security privileges] 
-and {ref}/built-in-roles.html[Built-in roles].
+and {ml-docs}/setup.html[Set up {ml-features}].
 
 --